Best Thermos Flasks in India (2021) for Hot Milk, Tea, Coffee

How do you feel when you get cold and stale tea at the office in between huge work pressure?

It’s awful, right?

There is nothing disgusting than a cup of bitter and cold tea, especially for tea lovers. Also, making tea or coffee repeatedly is not something you like to do.

Also, it is not also possible to get hot drinks everywhere you travel. And having tea or coffee from the roadside tea stalls is not always a healthy option.

How about carrying a thermos flask with you?

It keeps your drink hot for hours and you can enjoy your tea or coffee hot whenever you want. Whether you are in the office or going for a picnic, you can take your favourite drink in a thermos flask and go on.

If you have little baby with you and need hot water to make her food, you can carry it in a thermos flask. Not only hot water, but you can also carry cold drinks in the best thermos flasks available in India.

These products help in preventing heat loss. So, the temperature of the substance is maintained inside the flask perfectly. The following thermos flasks are highly recommended in terms of quality, food safety, heat retention, appearance and price.



What Is a Thermos Flask?

A thermos flask or a vacuum flask is a storage vessel in which you can keep cold or hot materials for over a long period of time. The structure of the flask traps heat or cold and maintains the temperature preventing any kind of heat transfer with the surroundings.

thermos flask

It was invented by Sir James Dewar in 1892 and is of great domestic use and industrial use. You can keep hot or cold liquids in it safe for a long period of time.

It prevents any change in the temperature of its contents entirely.

It does so by preventing any kind of heat transfer through the processes of conduction or convection by creating a good undulating system.

Vacuum flasks are usually made with metal, foam, plastic, or glass. They are extremely effective and useful. Great for people who travel, thermos flasks also have great use as shipping containers in industries.

How Is It Different from a Normal Flask?

The basic difference between a thermos flask and a normal flask is their property and design. You can’t keep beverages hot or cold in a normal flask for a long period. Eventually, the liquid kept in a normal flask comes down to the room temperature while that kept in a thermos flask maintains its temperature. This is just because of the insulating properties of a thermos flask.

It is engineered to serve the purpose of maintaining the temperature of its content while a normal flask is merely a container. Moreover, it is also a little expensive than a normal flask because of the time, energy and capital invested in the making of it.

Moreover, a thermos is made up of two vessels and vacuum between them while a normal flask is just one vessel. This also makes the thermos more durable than the normal flask. However, a normal flask is lighter and easier to carry than the thermos.

There are many differences and the choice between them should depend on the purpose it will be serving. However, if you want something that is a great value for your money, it is the thermos flask.


best thermos flasks in India

Best Thermos Flasks in India (2021)


Review of the Top 10 Thermos Flasks in India

1. Traniac – Double Walled Vacuum Insulated Thermos Flask

Traniac - Double Walled Vacuum Insulated Thermos Flask

Key features

  • BPA-free material for carrying any drink
  • Holds 1000 ml of water in it
  • Double-walled vacuum flask for better insulation
  • Comes with a reusable, eco-friendly design
  • 1-year warranty
  • Stylish and trendy design

Best Toxin-free Thermos Flask

Not every material you can give to kids. You need to know whether it is free from toxins or not. With this product, you won’t have any such issues.

It is a BPA-free product that is absolutely toxin-free. So, it is safe for carrying at school or college. Now, you won’t have any tension to give warm water to your kids.

Provides enough Insulation for Long hours

A thermos flask can only be the best thermos in India if it provides good quality insulation with excellent heat retention. It comes with double-walled insulation that keeps the drink hot or cold for 36 hours. As it is made of good quality stainless steel, it keeps the drink fresh for hours.

It is perfect for carrying at the office, school, or college. It can hold around 1000 ml of water, tea, coffee, or any other beverages. So, you can carry it while going to the gym or hiking, etc.

Wide Mouth for Easy Drinking

The product comes with a leak-proof lid with the screw on. It helps you to drink from it directly without spilling. Also, this product is quite eco-friendly as no plastic is used here.

This bottle is lightweight and highly portable. You can carry it with you anywhere you go. Having an icy cold drink or hot and warm milk or water is easy to get now while you are on the go.

What we like about it

  • Can carry 1 L of drink in it.
  • It is portable and lightweight product.
  • Comes with double-layered insulation for better heat retaining.
  • Available with additional drink lid.
  • Keep yourself hydrated whenever you are.

What we do not like

  • The heat retaining quality could be better.

Why is this thermos flask worthy?

This product is one of the best thermos flasks for keeping drinks hot. It is manufactured with the best quality stainless steel. Also, the portability and lightweight makes it easy to carry wherever you want.


2. Cello Swift Stainless Steel Thermos Flask

Cello Swift Stainless Steel Flask

Key features

  • Capacity: 350, 500, 750, 1000, 1500, 1800 ml
  • Made of good quality stainless steel
  • 3 color options- blue, silver, red
  • Comes with double-wall insulation
  • Perfect for hot and cold beverages
  • Weighs only around 358 g

Great Thermos Flask at a budget price

This product is perfect for carrying hot and cold beverages. It is made of the best quality stainless steel. So, it is a durable product to buy.

The double-wall insulation is perfect to maintain the temperature of the beverage. The “thermo seal technology” helps in maintaining the temperature for 24 hours. Getting hot tea or cold coffee is easy anywhere.

As the insulation is of the best quality, this flask never sweats or creates water droplets. As it weighs only 358g, it is highly portable too.

Easy to use and carry

If you don’t like the conventional look of a thermos flask, this one will be the best for you. It looks like a water bottle. It is also very easy to carry.

The air-tight plastic cap also keeps the liquid intact inside the flask. It won’t spill or leak and you can take it everywhere.

The smallmouth and neck restrict the escape of heat. It also maintains the temperature of the drink inside. So, you can get an icy cold drink as it is after hours or enjoy your hot tea anywhere.

What we like about it

  • Keeps your beverage hot or cold for 24 hours.
  • A user-friendly product with enough durability.
  • Portable enough to carry wherever you go.
  • Comes with a compact and sleek design.
  • Available with small mouth for easy drinking and no spilling.

What we do not like

  • The insulation could be better.
  • No warranty available

Why is this thermos flask worthy?

This thermos flask belongs to the group of Cello. So, you can trust this without having any doubt. Cello is quite a popular manufacturer when it comes to containers. This thermos flask has good insulation and made of high-quality stainless steel. So, you can buy it to meet your purpose.


3. Milton Vertex -500 Thermosteel Flask

Milton Vertex -500 Thermosteel Flask

Key features

  • Capacity: 500, 670, 700, 920 ml
  • Multi-purpose bottle to store cold and hot beverages
  • Made of 18/8 stainless steel for better heat retention
  • 5 color options- blue, orange, peach, silver, pink, copper, white
  • A rust-free product for better utilization
  • Comes with a double vacuum insulated body
  • 1 year of warranty

Made of the Best Quality Stainless Steel

It is made of 18/8 stainless steel. So, it is effective in retaining the heat, both inside and outside.

As the bottle is made of the best quality stainless steel, it is completely rust-free. So, you don’t need to worry about contamination or intoxication. You can use it for kids too.

Easy maintenance and cleaning

An appliance becomes popular when it is simple to maintain. This flask belongs to that group. It is very easy to clean and maintain.

You can use a mild detergent to wash inside and outside of the bottle. By using a bottle brush, you can clean it from the inside. Never use very harsh water to wash it.

Odour-free Formula for Better Use

It feels very irritating when your flask gets a musty odour inside. It happens due to keeping water inside it for long hours. The smell is too stubborn to go.

With this product, you won’t have any such issues. As it is made of odor-free technology, you won’t have any foul smell inside it. Also, the bottle is made of superb leak-proof technology.

What we like about it

  • Easy to carry at school, office, or while travelling.
  • The perfect insulation technology maintains the temperature inside.
  • The narrow mouth makes it easy to drink without spilling.
  • Maintaining and cleaning are very easy.
  • Odour-free technology is perfect for everyday use.

What we do not like

  • The product should be more durable.

Why is this thermos flask worthy?

As this product belongs to the house of Milton, you can buy it. They have expertise in manufacturing flasks and bottles. This particular bottle comes with double insulation and also based on leak-proof and odour-free technology. So, buying it will be a great option.


4. Borosil Hydra Trek Stainless Steel Thermos Flask

Borosil - Stainless Steel Hydra Trek Thermos Flask

Key features

  • Storage capacity: 700 ml
  • Made of the best quality stainless steel
  • Double-wall insulation for making drinks hot/cold for longer
  • 6 color options- black, gray, blue, red, green, yellow
  • Durable enough and doesn’t get damaged easily
  • Comes with a copper coating for better heat retention
  • 1-year warranty

Best thermos flask for School/ College/ Office

If you are looking for a thermos flask for hot water to carry to the workplace or university, this product is for you. It is made of stainless steel. There is also a copper coating for better heat retention.

This thermos can keep your drink hot or cold for 24 hours. So, having hot tea or chilled water whenever you want won’t be a problem.

It also comes with a 1-year warranty for manufacturing defects. So,

Highly Portable Product to Use

This thermos flask is easy to carry. Also, it doesn’t weigh too much. So, you can carry it with you at school, college, office, day outings, etc.

The lid is like a cup. Drinking from the bottle is, therefore, very easy. You just need to pour your drink in the cup and enjoy sipping through it.

Sleek and Compact Design

No more getting confused on how to carry a thermos flask in your bag! This product is available in a compact and sleek design. So, it will fit in your bag or purse perfectly.

Besides its amazing size, it is the stylish look that makes you buy this product. It is extremely fashionable and suitable to carry anywhere. Whether you are going to the gym, school, college, office, or anywhere, carry it without any doubt.

What we like about it

  • Made of toxin-free and non-leaching material.
  • The durable product won’t get easily damaged.
  • Perfect insulation for keeping your drink hot/cold.
  • Compact design and fits easily in your backpacks.
  • Made of 100% food-grade material.

What we do not like

  • This is not leak-proof.

Why is this thermos flask worthy?

If you find it difficult to drink directly from the flask, you can use the lid as cup to have your drink. This product from the house of Borosil is durable, portable, and comes with enough longevity. So, you can use it wherever you go to enjoy your cold water or hot coffee.


5. Cello Flip Style Stainless Steel Bottle 

Cello Flip Style Stainless Steel Bottle

Key features

  • Capacity: 1 L
  • Manufactured with top-quality stainless steel
  • Stylish-looking and sleek design
  • Durable and runs longer
  • Double-layers insulation for better heat retention
  • 1 year of warranty

Energy-saving Product for Better Usage

Once you pour hot or cold drink inside it, it remains as it is for a long time. The product comes with superior quality insulation. It not only maintains the temperature but also keeps your drink fresh for hours.

You don’t re-heat the drink repeatedly. You can get a hot or cold drink even after hours pouring inside. So, you can have it at home, especially when you need hot water or milk for your baby.

Durable Flask with Enough Longevity

Investing in a product can only be worthy when it serves you for a long time. With this product, there will be no such problem. It is durable and sturdy.

As it is made of stainless steel, it is of high quality. So, once you buy it, it will serve you for a year or so. The product is tough and doesn’t break easily.

Additional Benefits

This thermos flask is perfect for those who want additional protection. As the product is fabricated with food-grade stainless steel from inside and outside, you can trust it without any doubt.

Drinking hot liquids won’t be difficult. This thermos flask comes with a cup that will help you to drink it. This cup is leak-resistant.

You can also carry the bottle easily as it comes with a convenient strap. You can carry it in several ways. Buying this product makes it easy to carry hot and cold liquids.

What we like about it

  • Double-wall insulation maintains the temperature of the drink properly.
  • It gives additional protection from any kind of contamination.
  • Made of superior quality stainless steel.
  • Comes with a cup to help you easy drinking.
  • The liquid-tight cap makes it leakage proof.

What we do not like

  • Leakage is an issue with this product.

Why is this thermos flask worthy?

This thermos flask comes from the house of Cello. They are the leading brand in manufacturing insulated bottles, lunch boxes, and so on. So, you can trust the quality of the product. Besides, buying a branded product means it comes with a one-year warranty.


6. InstaCuppa Thermos Flask

InstaCuppa Thermos Bottle

Key features

  • Capacity: 550, 700 and 1000 ml
  • Trendy design to carry everywhere
  • Comes with advanced technology for temperature control
  • The perfect flask for daily use
  • Available in a leak-proof design
  • 1-year warranty
  • 3 color options- matte black, green, and red

Trendy Design to Impress Your Friends

Forget about those old and boring thermos flasks. This product is designed with modern technology and the sleek design will impress all. You can take it wherever you go.

The grey-coloured body looks impressive. It is compact in design and can be stored easily anywhere. Take it in your backpack or side bag and set on for your journey.

Advanced Temperature Control

This product is based on a double-wall, vacuum-insulated design. So, it is more efficient in maintaining the temperature of the drink inside it. You can enjoy your hot coffee or iced tea long after preparing it.

This product is efficient enough to keep your hot milk warm for 24 hours. If you are pouring chilled water in it, it will retain the temperature for 34 hours. This product is perfect for home use and also for carrying with you.

Perfect Thermos Flask to Carry

This is one of the main features of this product. It is manufactured in a way so that there is no condensation and sweating. The bottle comes with dual layer and also slip resistant.

The leak-proof design of the thermos flask gives you extra protection. You can carry it in your bag with other essentials. The lid is tight and never spills any liquid, even it is turned upside down inside your bag.

What we like about it

  • Cleaning the product is super easy.
  • Keeps hot and cold drink as it is for hours.
  • Leak-proof design for better usage.
  • Comes with a slip-resistant surface for better grip.
  • It is a dual-layer bottle for everyday use.

What we do not like

  • This is a bit overpriced product.

Why is this thermos flask worthy?

If you want to drink stylishly, buy this thermos flask. Its sleek and modern design makes it attractive to users. Besides, it also keeps your drink hot or cold for hours. So, it maintains the purpose properly.


7. Amazon Brand – Solimo Thermal Stainless Steel Flask

Amazon Brand - Solimo Thermal Stainless Steel Flask

Key features

  • 1000 ml capacity
  • Also available with 500 ml and 750 ml capacity
  • Comes with Top-grade insulated steel body
  • Available with anti-drip lid
  • Double-walled flask for the best insulation
  • Comes with a travel pouch for easy carrying
  • Comes in two alternative shapes- curved and straight
  • 1 year of warranty

Best Quality Flask for Regular Use

This is a vacuum-insulated flask that has a double layer for better heat retaining. You can keep hot water heated for hours. You can also keep cold water or iced tea inside it to keep it chilled.

The body of this flask is manufactured with stainless steel. So, you don’t need to worry about durability. The sturdy bottle will serve you longer.

Push-button Mechanism Prevents Leakage

For any kind of thermos flask, leakage is a serious issue. If water gets condensed and starts dripping, that is also a serious problem. This product is free of any such issues.

It comes with a push-button and an anti-drip mechanism that prevents any kind of leakage. Even if your bottle goes upside down, it won’t leak any drink. You can use this product without any hassle.

Twist Cup Cap for Better Protection

This product comes with a twist cup cap that keeps the flask airtight. It also maintains the temperature of the drink inside. This cup provides the best safety.

You can use the cup to drink water, tea, or coffee. You can also carry milk in it if you are traveling with your baby. Also, the flask comes with a travel pouch to make it easy to carry wherever you go.

What we like about it

  • Keeps your drink safe and protected.
  • It is perfect to prevent leakage and condensation.
  • It is a stainless steel product that gives enough durability.
  • You can carry around 1l drink in it.
  • It can maintain the temperature for 24 hours.

What we do not like

  • The insulation should be better.

Why is this thermos flask worthy?

This product comes with a smart look. Also, it is quite handy to carry during hiking, trekking, and other adventures. You can keep milk warm in it for long hours. So, if you are travelling with your baby, you don’t need to think about how to warm your baby’s food. This is a perfect product for every household.


8. Milton Thermosteel Flip Lid Flask

Milton Thermosteel Flip Lid Flask

Key features

  • Made of top-quality stainless steel
  • Can carry 350 ml drink inside
  • Double-wall insulation for temperature retention
  • A leak-proof product for regular usage
  • 1-year warranty
  • Models with 500 ml, 750 ml, and 1000 ml capacity also available

Manufactured with the Best Product

You can call this the best vacuum flask for its amazing features. It is manufactured with 18/8 stainless steel. So, there is no tension with the quality, durability, sturdiness, and longevity of the product.

This thermos flask can hold around 350ml drink inside. So, it is perfect for carrying at school, college, office, gym, etc. As it is made of toxin-free material, it is perfect for kids too.

Easy to Clean and Maintain

If you have an appliance that is difficult to clean, it takes the back seat of your cupboard after some time, isn’t it?

This product doesn’t belong to that group. It will always be on the front of your kitchen shelves.

The flask is very easy to clean. You need to use mild soapy water to clean it. Also, you should always keep upside down so that no water remains inside. Try to keep the flask open when not in use to avoid bad odour.

Enjoy Having Fresh Drinking Water

When you are going anywhere carrying water from home is the best option. It will keep you away from any kind of toxic contamination. With this thermos, you won’t have any such issues.

This is a user-friendly bottle that is highly functional and durable. Also, it keeps your drinking water clean for 24 hours. You can also carry cold liquid in it besides hot water.

What we like about it

  • Keeps water hot or cold for 24 hours.
  • The best quality stainless steel assures durability.
  • It is a sturdy product to last longer.
  • You can carry cold water or fresh fruit juice during the journey.
  • The unique flip lid makes it spill-proof.

What we do not like

  • The product remains stinky even after repeated wash.

Why is this thermos flask worthy?

A thermos flask of Milton is always trustworthy. It is one of the best thermos flask brands in India. So, you can buy it without many doubts. Also, this product is leakage-proof and maintains the temperature perfectly. Buy it now and enjoy fresh drink in between your work, journey, etc.


9. Borosil Hydra Thermo Steel Flask

Borosil Hydra Thermo Steel Flask

Key features

  • 1 L storage capacity
  • Maintains the temperature of your drink perfectly
  • Made of 100% food-grade material
  • Manufactured with top-quality stainless steel
  • Non-leaching and toxin-free product
  • Weighs 690 grams

Manufactured with the Best Quality Product

This thermos flask is manufactured with cutting-edge technology. That means it comes with a double-wall vacuum to retain the temperature. The copper wall keeps hot drink hot and cold drink chilled.

This flask can keep the drink as it is for a long time. Also, the best quality material makes it durable. You can use the product regularly without any damage.

Comes with Lots of Other Benefits

The mouth of the flask is designed for spill-free drinking. Also, you can add ice cubes to keep your drink more chilled. The exterior is also specially designed to make it free from condensation.

No matter if your bottle flips, the spill-proof design keeps other objects dry. The easy to grip design also helps you to hold it well without slipping. The compact design is perfect for your backpack or rucksacks.

Non-leaching Thermos Flask

As the product is made of toxin-free material, you can use it for your kids. It is made of BPA and Phthalate-free material. So, you can be sure there won’t be any leaching and amalgamation of harmful chemicals into the water.

Due to such material, you can carry any kind of liquids in it. Not only water, but you can carry milk, fruit juices, etc. without any chemical reaction.

What we like about it

  • You can carry it wherever you go.
  • This is a perfect design to carry during expeditions.
  • It is a budget-friendly product.
  • The twist cup cap is perfect for sipping your drink.
  • It is lightweight and easy to carry.

What we do not like

  • Can maintain the heat for only 10 hours.

Why is this thermos flask worthy?

Borosil is a renowned brand for manufacturing thermos flask. That’s why you can trust this product without any doubt. It is easy to maintain and clean and also, you can use it regularly. Buy it now and enjoy your drink as you want.


10. Kent – 16049 Stainless Steel Thermos Bottle

KENT - 16049 Stainless Steel Thermos Bottle

Key features

  • 700 ml capacity
  • Comes with a leak-resistant tight cap
  • Heat and sweat proof outer body
  • Sturdy and durable construction
  • Spill-proof cap for better usage
  • 1-year warranty

Stainless Steel Bottle for Fresh Drink

If you want to enjoy an odour-free drink after long hours, this is the best thermos flask for hot milk, tea, coffee or water. It is made of the best quality stainless steel. Also, the robust construction increases the durability of the product.

If you want to carry milk or fruit juice in it, you can go for it. The toxin-free material is perfect for everybody’s usage. This bottle can carry a 700 ml drink in it.

A Lightweight Bottle to Carry

Unlike traditional flasks, this product is very lightweight and portable. So, you can carry it wherever you go. From school to gym, hiking to trekking, this thermos flask is one of the best.

It can keep the hot water hot for almost 7 to 8 hours. If you are looking for a thermos flask to use for daily purposes, this product will be the right choice.

What we like about it

  • Made of best quality stainless steel.
  • No plastic is used in manufacturing.
  • Suitable for everyday usage.
  • A perfect thermos flask for the students or office-goers.
  • Available at an affordable rate.

What we do not like

  • The overall quality could be better.

Why is this thermos flask worthy?

As it belongs to the big brand, Kent, you can buy the product now. It is suitable for everyday usage. The compact design is perfect to store the bottle anywhere you want and you can carry it easily. Buying it will be a wise decision.


working of thermos flask

How Does a Thermos Flask Work?

As mentioned before, a Thermos Flask has two walls. Any air between these flasks is evacuated and they are silvered from inside. This vacuum that is created between these inner and outer flasks prevents heat from being transferred from or into its surroundings.

There is no heat transfer from the inner to the outer wall thus eliminating convection. Now, to prevent the conduction of heat where the two walls meet, insulating support is added to the bottom of the flask. This breaks conduction and doesn’t allow any heat to be transferred to the outer flask.

There is a glass envelope in a thermos flask. Both the flasks are made of glass and are painted silver from the inside to reduce infrared radiation. This is then enclosed in a plastic or metal covering to make it more durable. This case also provides an extra layer of insulation to the flasks.

This paint also helps to reduce the heat transfer and eliminates convection and conduction to a large amount. The heat transfer is not zero but it is small enough to keep the liquid cold or warm for a long period of time.

So, in simpler words, a thermos flask works by limiting the processes of radiation, conduction and convection of heat transfer for a long period of time. Thus, its contents remain at the same temperature. It is just simple science adapted to make our daily life a little better and easier.


thermos flask benefit

Benefits of Having a good Thermos Flask

Thermos Flask can be considered an engineering marvel looking at all the benefits it has to offer when compared to a normal flask or container. If you are looking to buy the best thermos flask made in India, you should be aware of all the benefits of owning one. Let’s have a look.

  • Carry Your Drink at Desired Temperature: If you own a thermos flask, you can always carry water with you at your desired temperature. Coldwater in summers, hot in winters, a thermos flask is designed to keep your beverages at the temperature you want. This would save you from all the ill effects of dehydration. You will be able to drink enough water that is recommended for a healthy lifestyle.
  • This Is a Budget-friendly Option: Buying a thermos flask will save you lots of money. You won’t have to buy water at eateries, and you can brew your own coffee if you have hot water at hand. It will save a lot of money spent on overpriced coffee and beverages.
  • Thermos Flasks Are Eco-friendly Option: Owning a thermos flask is extremely good for the environment. It saves you from buying more single-use plastic that eventually ends up in the oceans and causing climate change. So, by owning a thermos flask you would be doing your part in saving the environment.
  • It Is Also a Healthy Option: Buying drinks and beverages from outside is a health hazard. You never have any control over the ingredients and the quality of beverages going in your body. Hence, using a thermos flask and bringing your own drinks can prove to be extremely healthy. In this way, you have control over what goes into your system. It would also challenge you to be creative and make your own drinks and food.
  • Thermos Flasks Are Energy-saving Options: Having a thermos flask also saves a lot of gas and fuel. If you keep your drink or soup stored in it, you won’t need to re-heat or refreeze it again and again. It would also save you a lot of time and a lot of fuel.

The benefits of having a thermos flask are not limited to these and it depends on how you decide to use it. Buying a thermos flask might seem more expensive than a normal one but it actually is cheaper if you look at the long run. They are extremely durable and effective over a long period of time. Having a thermos flask will prove to be extremely beneficial and healthy for you as well as your environment.


branded thermos flask

Best Thermos Flask brands in India

There are different types of brands that are available on the market when you want to buy a thermos flask. We have also mentioned the top 10 brands of the product.

Do you feel a bit confused? Which one will be the best? Which one should you buy?

No more confusion as we are here to present you with the best brand for thermos flask in India. Read on to know more-

Cello

While it comes to choose a thermos flask, this is the first and the most important brand you can check out now. The thermos flasks of Cello are all of good quality. These can hold around 1000ml of drink and retain the temperature for hours.

If you want to carry hot tea or cold coffee with you, you can always trust this brand. Also, the Cello thermos flasks are made of stainless steel. So, you don’t need to have any stress of intoxication.

Milton

Talking about bottles and not mentioning this brand will be a mistake. Milton has a high reputation in the market of water bottles, flasks, lunch boxes, etc. The thermos flasks of these brands are made of high-quality stainless steel or BPA-free plastic.

Each product is approved by 100% food grade. So, you can buy Milton’s flasks for your children to carry at school or college.

Borosil

This is another brand that you can depend on. In the Indian household, Borosil is a common name. It is one of the leading processors of household products and the thermos flasks of Borosil are of the best quality. The thermos flask of this brand can retain the heat for hours and you can enjoy your drink as you want.

The quality of the product is so good that you can buy any Borosil product now, especially the thermos.

Traniac

This is another popular brand for thermos flask. All products of this brand come with double-wall insulation. The combination of stainless steel and copper provide the best insulation. All thermos of this brand is lightweight, portable, and easy to carry.

Whether it is a gym or you are going hiking or trekking, this flask will solve your issues with hot water or chilled fruit juice immediately.

Instacuppa

Finally, this is the brand that will satisfy you with its product. It comes with a wide range of thermos flask with incredible features. All these products are superior in quality and serve you the best so that you get every reason to buy products of Instacuppa.


thermos buying guide

Buying Guide to get the best Thermos Flask

As we have already discussed there are different types of thermos flasks are available in the market. You can go for the branded ones or the non-branded ones, but there are certain essential things you need to follow. Once you get a buying guide, you can find the top quality thermos flask to use. Have a look-

Types of Thermos Flask

This is the first thing that you need to check out while buying a thermos flask. There are different types of flasks that serve your different purposes-

  • Dual Flask: Such types of flasks can keep liquids hot for 12 hours and cold for 24 hours. These come with a cup that helps you to sip through your drink.
  • Food Jar: These are unique kind of containers that helps you to carry rice, pasta, soups, stew, etc. and also keep those hot. Usually, there are two compartments of this container and easy to carry.
  • Tea Infuser and Water Filter: It comes with an in-built water filter that helps you to drink fresh water instantly and also, enjoy your tea from the infuser.
  • Thermocafe and Insulated Flask: Comes with one or two lids for imbibing coffee or tea. Don’t forget to pre-heat the flask with boiling water.
  • Pump Pots: Comes with a pump inside the flask and you can have hot or cold tea or coffee, dispensed through it.
  • Check the Material

While buying the best thermos flask for hiking or another outdoor usage, you need to check out the material. Make sure you buy a product that is completely safe, especially for elderly people and kids. Thermos flasks are available in different types of materials.

There are certain materials which are better than the other. Plastic is a cheap material and often gets intoxicated when you pour hot water into it. Such thermos flasks can be cost-effective, but those won’t serve your purpose to keep your drink hot for a long time.

Plastic flasks are fragile and break easily. If you want to buy the best quality flasks, you can go for metal flasks, especially the stainless steel ones with copper walls. These provide the best insulation so that hot drinks stay hot for hours and cold drinks cold. Going through the reviews will give you better ideas about choosing the right material.

Know the Capacity of the Flask

This is another important aspect you need to know while buying thermos flasks. Depending on your requirement, you need to choose the flask. The size of the flask ranges from 300ml to 1l. So, you can carry your drink as much as you want.

If you are travelling long distance or go hiking or trekking, you will need a larger quantity of liquid. Buying flasks with more capacity will be the right choice. If it is for going to the office, school, or gym, you can choose the flasks with lesser capacity.

Capacity of Heat Retention

This is another important factor to check out. Heat retention means the duration of keeping the liquid hot or cold. There are some thermos flasks that can maintain the heat for around 5 to 6 hours while some superior quality flasks can do that for 12 to 24 hours.

Usually, the flasks can keep cold object cold for longer hours than keeping the hot liquid. Know about this feature in details before buying. If you are travelling with your baby and want to carry warm water or milk, you can buy the ones that serve you for 24 hours. Again, if you use it for office purpose only, go for the ones that retain heat for 5 to 7 hours.

Know the Warranty Period

That product is better which offers a warranty for a longer period. There are some flasks that come with a warranty period of a year or two. If you want to buy a good quality thermos flask, you should go for the one that comes with a longer warranty. It will be worthy of your investment.

Check out the Lid

The lid of the thermal flask should be checked too. It must be effective and secure so that the liquid inside stays fresh and hot/cold. Also, you need to check that the lid should not come off easily and fit flawlessly. It must be spill-proof and leakage proof.

There are certain flasks that come with corks to close the flask, but these are not leak-proof. It is always better to buy thermos flasks with a screw cap as those stay in one place and are leakage-proof. There are some types of flasks that come with a cup that helps you to sip through it.

So, these are some of the most important things you need to remember while buying a thermos flask. You need to follow all these tips and also go through the reviews to find out which thermos flask is the most suitable one for you.


Frequently Asked Questions about thermos flasks

Can thermos flask hold hot water?

Yes, a thermos flask is a product that is used for maintaining the heat of your drink. If you want to have hot water or milk after long hours of making it, you can buy a thermos flask. Some of the products can keep it hot for 5 to 6 hours while some of those are of superior quality and keep it hot for 12 to 24 hours.

Why thermos flask is silvered?

The inner lining of the thermos flasks are silvered as silver is very effective in heat retention. It can lock the inner heat of the liquid inside the bottle and also prevents it from losing heat due to any changes in the temperature outside.

Which thermos flask is the best in India?

There are several types of thermos flasks of different brands are available in the market. You can choose any of these. To find the best one of those, you can go for Cello, Milton, Borosil, etc. Any products of these brands are admirable and come with several amazing features.

Can thermos flask keep cold water?

Yes, thermos flasks are also applicable for keeping cold water. If you want to carry cold water or fruit juice while going to the gym or hiking, you can buy a thermos flask. A branded and good quality thermos flask can keep your drink cold for more than 24 hours.

Can you take thermos flask for plane?

You can take an empty thermos flask at the plane. But, you should never carry it with any liquid while going for a flight. But, if you are travelling with a baby, you need to carry a certain amount of water. You should talk to the concerned authority about the issue.

What is a thermos flask made of?

The inside part of a thermos flask is made of glass. Around the glass, the area is vacuum. As the glass is fragile, it is encased in a metal or plastic case. In many thermos flasks, the glass body can be removed from the envelope.

Can you put thermos in fridge?

Yes, a thermos is perfect for keeping inside the fridge. The thermos flasks are designed to keep cold and hot drinks as those are. Keeping the flask inside the fridge won’t harm the bottle at all.

Can thermos flask be repaired?

Actually, it depends on the damage to the product. If the body is damaged but not broken, you can still use it. But, if the lid is broken, it will fail to contain the heat inside and the flask will be of no use.

How to clean thermos flask inside?

Cleaning the inside of a flask is easy. If you get an odour, you can add baking powder and salt inside the dry flask. Now, add some boiling water into it and shake well. Keep the bottle for an hour or so and then wash off with clean water.

Are thermos flasks dishwasher safe?

It is always better not to wash your thermos flask in a dishwasher. The rough wash can damage the mechanism and also ruin the beautiful look of the bottle outside.


Conclusion

Hopefully, you get enough information about the thermos flask here. Buying a thermos flask will be beneficial for you. There is a comparison table that will tell you about the particular features at a quick glance. This will help you to buy the right product for you.

Next, we have presented thorough reviews of the top 10 best thermos flasks in India. Once you go through the reviews, you will find the exciting features that will help you to find the most suitable product for you.

If you are buying the thermos flask for the first time, you can check the details of the thermos flask, what it is, why it is so important, and so on. This section will also tell you about the benefits of having a thermos flask.

The benefits of thermos flask will help you to buy it while the buying guide will assist you to find the right product for you. Check out the FAQ section to get your all doubts clear. You must have lots of questions regarding using thermos flask and so on. Hopefully, this section has answered almost all of your queries.


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