Flask

Classic vacuum flask with exceptional temperature retention.

24 hours

36 hours

Features

Perfected down to a smallest detail. Exceptional temperature retention

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Keeps beverages hot up to 48 hours

narrow mouth helps to keep beverages hot longer

100% leak-proof

narrow stopper and silicone rings make it absolutely sealed

No contact with plastic

your beverage contacts with a metal plate on the stopper

Multifunctional

external cap doubles as a cup for your beverage

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сap has an extra metal plate to prevent odor absorption

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entirely stainless steel environment for beverages

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narrow mouth helps to maintain the desired temperature

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external cap doubles as a cup for your beverage

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easy to open, ergonomic shape of the cap

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100% leak-proof

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safe, durable and shatterproof

Details

narrow stopper helps to hold temperature longer
metal plate on the stopper prevents your beverages from contacting with plastic
two silicone rings help to hold temperature longer and make Flask 100% leak-proof
grooves on the flask body make it impact-resistant and provide a better grip
stainless steel body with double-wall vacuum insulation

Details

high quality insulating layer inside of the cap

silicone ring helps to hold the temperature longer and makes Flask 100% leak-proof

double wall vacuum insulation

copper coating of the outer part helps to hold the temperature longer

Heat retention

Specification

Dimensions: Diameter: 2.95''
Height: 9.53''
Mouth diameter: 1.34''
Cup volume: 2.5 oz
Weight: 0.93 pounds
Temperature: hot - up to 24 hours
cold - up to 36 hours
Materials: 18/8 food-grade stainless steel
Food-grade plastic
Food-grade silicone
BPA-free

Dimensions: Diameter: 3.31''
Height: 10.31''
Mouth diameter: 1.34''
Cup volume: 3.7 oz
Weight: 1.08 pounds
Temperature: hot - up to 36 hours
cold - up to 54 hours
Materials: 18/8 food-grade stainless steel
Food-grade plastic
Food-grade silicone
BPA-free

Dimensions: Diameter: 3.70''
Height: 11.02''
Mouth diameter: 1.34''
Cup volume: 4.4 oz
Weight: 1.3 pounds
Temperature: hot - up to 48 hours
cold - up to 72 hours
Materials: 18/8 food-grade stainless steel
Food-grade plastic
Food-grade silicone
BPA-free

Gallery

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Video

Reviews

FAQ

Bobber products can be washed manually or in the dishwasher. Avoid using alkaline dishwasher products as it can damage the product. Coffee or tea stains can develop over time and can be removed using a denture cleaner tablet or baking soda and vinegar.

Yes. Avoid using alkaline dishwasher products as these can damage the product.

Our thermoses are made of high-quality stainless steel (ANSI 304 2B - 18% chromium and 8% nickel) designed for corrosion resistance and safe use as a food industry product.

Yes, all bobber products are 100% leak-proof.

After thorough analysis, we established our manufacturing operations in one of the leading factories in China. Our team manages the production process so that our standards of quality are constantly maintained.

The bobber team consists of industry leaders. Bobber’s CEO has more than 10 years of experience in vacuum-insulated drinkware, and our Chief Designer has won multiple international design awards.

If you are in any way dissatisfied with your bobber, please contact us. You may return your unused product(s) in the original packaging to us within 30 days of purchase for a refund.

To return an unused or defective item, please contact us at hello@bobberbrand.com and we will send you return instructions.

Yes, once we receive the bobber back, we will immediately issue a refund. It usually takes a few days to process depending on your bank’s policies.

If your bobber is defective, we will refund both the product and shipping cost. If the bobber is not defective, the original shipping cost is not refundable nor the cost to ship it back.

If your bobber is defective, we will pay to ship it back. Otherwise, you will need to ship it back at your own expense.