A thermos flask, also known as a vacuum flask or Dewar flask, is an insulated vessel to keep hot liquids hot and cold liquids cold for a long time. The double-walled construction inside the flask,with a vacuum between the walls, maintains the contents’ temperature. A durable and reliable thermos flask can keep your coffee warm and iced water cool for a few hours or more. In this post, we have shortlisted some of the best thermos flasks in India that help you carry your favorite beverages wherever you go, without having to worry about leakage or change in temperature of the beverage.

13 Best Thermos Flask In India 2022

1. Milton Thermosteel Flip Lid Flask

Made of 18/18 stainless steel, Miltonthermosteel flask has double-wall insulation with a capacity of 1,000ml. The flask makes the best companion to school, gym, or any sporting activity, as the copper coatingin the flask allows better heat retention and performance, maintaining the beverage’s perfect temperature for a long time.  Specifications  Weight: 700g Sizes: 350ml, 500ml, 750ml, 1000ml Lid style: Flip open  Pros:

BPA-free construction Leakproof design Temperature retention of up to 24 hours Comes with a warranty of one year Easy to clean Strong and durable 

Cons:

May not be ideal for storing carbonated drinks

2. Cello Flip-Style Stainless Steel

The Cello flask is made of thermos steel technologycrafted for maximum temperature retention.The stylish and sleek thermos flask comes with a capacity to hold one liter of liquid. Designed with extra protection, the flask has reliable double-wall insulation. The flask comes in a neutral silvercolor that makes it look like a steel bottle that you can carry anywhere.  Specifications  Weight: 709g Sizes: 350ml, 500ml, 750ml, 1000ml Lid style: Flip open  Pros:

Rust-resistant design Temperature retention of up to 24 hours Comes with a cap that doubles as a cup Has removable clip-on mouth for convenient cleaning Durable and strong Has a convenient strap to carry it with ease 

Cons:

May have leakage problems

Specifications  Weight: 500g Sizes: 1000ml Lid style: Push open   Pros:

Comes with an anti-drip push open lid that prevents leakage Cap can be used as a cup Push-button mechanism allows hassle-free drinking from the flask Durable and strong Has resistance against rust and corrosion Convenient to clean 

Cons:

May be difficult to carry without a case

4. InstaCuppa Vacuum Insulated Coffee, Tea Travel Mug

InstaCuppa is a stylish and modern mug-style flask that is perfect for office-goers, fitness enthusiasts, and backpackers. Designed to fit into standard sized car cup holders, the thermos mug can be easily carried in your gym bag or backpack. The black mug comes with double-walled insulation that can keep your beverages cold for up to 12 hours and hot for up to 6 hours. Specifications  Weight: 400g Sizes: 350ml,470ml Lid style: Sipper lid  Pros:

Spill-proof design Made of BPA-free, food-grade plastic Comes with a unique sipper lid that has an attached filter Easy to operate Comes with a steam outlet Wide mouth makes it convenient to clean Dishwasher-friendly 

Cons:

May not be leakproof Cleaning the lid could be difficult

5. Frabble8 Insulated Stainless Steel Water Bottle

Made from food-grade 18/8 stainless steel (18% chromium and 8% nickel) with a thin coating of copper and double-walled vacuum, Frabble8 can retain the beverage’ temperature for 12 to 24 hours. The small thermos flask is idealfor carrying hot or cold beverages without worrying about leakage. The sport top with textured grip makes the stainless steel water bottle handy.  Specifications  Weight: 350g Sizes: 500ml Lid style: Twist open  Pros:

Durable, unbreakable, and scratch-resistant construction FDA compliant Leakproof and BPA-free Promises a sweat-free grip Does not interfere with the original flavors Easy to clean Comes with a removable tea infuser 

Cons:

May not be suitable to carry carbonated drinks May not retain temperature for long

6. Unigear Premium Stainless Steel Vacuum Insulated Water Bottle

Unigearthermos flask is your perfect companionfor hiking, cycling, and other outdoor activities. Made of stainless steel, the double-wall insulation inside the flask can keep hot beverages hot up to 12 hours and cold up to 24 hours. The flask is aneco-friendly alternative to plastic bottles. Specifications  Weight: 320g Sizes: 500ml Lid style: Twist open  Pros:

Rust-proof and unbreakable Doesn’t alter the flavors of liquid BPA and phthalate-free Wide opening makes it easy to clean Comes with a carrying loop for portability Includes a tea infuser 

Cons:

May not provide insulation beyond 4 hours

7. Yacht Vacuum Insulated Hot and Cold Double-Wall Thermosteel Bottle

Yachtoffers a double-walledstainless steel bottle with vacuum insulation that can hold cold liquids up to 24 hours and hot drinks up to 12 hours. The swanky tea thermos flask with a matte finish is toxin-free and comes in various colors.  Specifications  Weight: 431g Sizes: 500ml Lid style: Flip open  Pros:

BPA and phthalate-free construction Fits easily into car bottle holders and bags Sweat-free design Leakproof bottle Compact and portable Cap can be used as a cup Free of odor 

Cons:

Cap may not be durable 

8. Shivexim Double Wall Vacuum Insulated Stainless Steel Life Flask

Made from 304 stainless steel, the Shivexim thermos flask promises heat retention up to 12 hours. The stylish and portable flask offers resistance against acid and alkaline. Itcomes in three different colors and can be used to carry hot or cold beverages to your office or the gym. Specifications  Weight: 401g Sizes: 450ml Lid style: Twist open  Pros:

BPA-free design Unbreakable and leakproof Comes with a stainless steel tea infuser Has wide round mouth for easy cleaning Comes with a non-slip base Strong and durable construction Convenient to clean 

Cons:

May not have effective heat retention

9. Orpio Stainless Steel Vacuum Insulated Tea and Coffee Mug

Designed to carry hot and cold beverages, Orpiois the best thermos flask in India. It is made of high-quality stainless steel and has a vacuum-sealed cap that promises heat retention of 6 to 12 hours. You can carry your drinks in style,whether you’re going on a trip, to the gym, or the office.  Specifications Weight: 290g Sizes: 240ml Lid style: Button open  Pros:

Has an ergonomic design that fits comfortably in the hands Strong and durable design Comes with a silicone stopper on the inside to prevent leakage Has a non-slip bottom Includes a tea infuser Has an easy one-click button open design 

Cons:

May be difficult to clean Maybe breakable

10. Borosil Thermo Stainless Steel Flask

The hydra flask from Borosil is curated using stainless steel and comes with copper coating and double wall insulation for better heat retention. The flask is designed to keep liquids hot or cold for up to 24 hours and makes a sturdy alternative to plastic bottles. You can carry hot or cold beverages to picnics, office, school, or college in this.  Specifications Weight: 340g Sizes: 500ml, 700ml, 850ml Lid style: Flip open  Pros:

Rust-proof and leakproof design Comes with one year warranty Comes with a sling for portability BPA and phthalate-free Has a drip-free sipping design Offers good grip with no condensation on the exterior 

Cons:

May retain heat only for 6 to 8 hours

11. Atlasware Stainless Steel Vacuum Thermos Flask Bottle

Atlasware water bottle has been crafted using import quality stainless steel and has a double-walled vacuum design for retaining temperatures for long. With a one-liter capacity, the flask keeps hot drinks warm and cold beverages cool for quite some time. You can carry the flask to your gym, school, office, or onan adventure trip. Specifications Weight: 640g Sizes: 1000ml Lid style: Twist open  Pros:

Strong and durable construction Retains temperature for over 12 hours BPA and toxin-free Does not sweat or freeze Stain and odor-free 

Cons:

May feel a little bulky

12. Trigal Thermos Steel Flip Lid Flask

The Trigal flask is durable with strong construction and has adouble-walled dispenser with an unbreakable food-grade stainless steel liner and outer shell. Designed to keep drinks cold or hot for hours, the silver-colored flask is elegant to carry. The flask can be ideal for picnics, hiking, and outdoor adventures. Specifications  Weight: 730g Sizes: 1000ml Lid style: Push lid  Pros:

100% leakproof and rust-resistant design Stain and odor-free construction Fits most of the car cup holders Has an unbreakable liner and outer shell Comes with a stopper for easy pouring 

Cons:

May not retain heat for long

13. Kent- 16049 Stainless Steel Thermos Bottle

Kent is your reliable companion on the go. The durable double-wall stainless steel construction and vacuum insulation don’t allow the outside temperature to affect the cold or hot beverages. The silver-coloredflask is userand eco-friendly and can be carriedfor hiking and other outdoor activities. Specifications  Weight: 382g Sizes: 700ml Lid style: Twist/flip-open  Pros:

Has a leak-resistant cap Designed with sweat and heat-proof outer body Comes with a one-year manufacturer warranty Tough and long-lasting design Cup can be used as a cap 

Cons:

Plastic handle may not be strong

How To Choose The Best Thermos Flask?

Remember the followingpoints to shop for the best flask.

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