Free Shipping Orders $49+ (U.S. Only)

Buy One, Get Customization Free On A Second Item!* Ends 9/2

*Offer valid from 8/29/25 through 9/2/25 at 11:59 PM PT. Buy one item with customization and receive free customization on a second item of equal or lesser value. Discount applies to customization charges only; product prices are not discounted. Limit 10 customized items per order. Only one side of customization is eligible for the discount per item. If both sides are customized, only one side will be discounted. Discount automatically applied at checkout. Offer valid only on purchases made at MyThermoFlask.com. Cannot be combined with other offers or discounts. No adjustments on previous purchases. Terms subject to change without notice.

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Snack, Sip, and Celebrate

2-in-1 Snack & Sip Bottles

Shop Best Sellers

16oz Pitch Black

16oz Soft Touch Sip-N-Lok™ Travel Coffee Tumbler

Pitch Black

Sage Green

Shaded Teal

16oz Soft Touch Sip-N-Lok™ Travel Coffee Tumbler

$24.99

$24.99

24oz Vivid Blue

Neon Water Bottle With Spout Lid

Vivid Blue

Sunkissed Coral

Screamin' Green

Shocking Pink

Unmellow Yellow

Shadow Glow

24oz Neon Water Bottle With Spout Lid

$26.99

$26.99

25oz Pitch Black

25oz Soft Touch Traveler Bottle

Pitch Black

Future Dusk

Chalk

Shaded Teal

Sage Green

Lilac

25oz Soft Touch Traveler Bottle

$29.99

$29.99

16oz Galactic Lilac

16oz Chameleon Shine Sip-N-Lok™ Travel Coffee Tumbler

Galactic Lilac

Pink Sorbet

Optic White

16oz Chameleon Shine Sip-N-Lok™ Travel Coffee Tumbler

$24.99

$24.99

Shoppable Moments

Adventure is wherever you make it. From your home to the great outdoors, share your next daily adventures with us.

Meals Made To Move.

From lunch to leftovers, your meal stays just right wherever life takes you.

SHOP NEW FOOD JARS

Hot Coffee, Zero Spills

No leaks, no stress — just smooth sipping on the move.

SHOP SIP-N-LOCK™

Featured collection

25oz Sunkissed Coral

25oz Neon Traveler Bottle

Sunkissed Coral

Vivid Blue

Screamin' Green

Shocking Pink

Unmellow Yellow

25oz Neon Traveler Bottle

$29.99

$29.99

20oz Food Jar 2 Pack

20oz Food Jar 2 Pack

Mint + Sherbet/Tangerine + Mint

Strawberry + Blush/Lime + Moss

Mountain Spring + Ocean/Ocean + Sunrise

20oz Food Jar 2 Pack

$49.99

$49.99

32oz Optic White

32oz Chameleon Shine Water Bottle With Straw Lid

Optic White

Aquatic Awe

Pink Sorbet

Galactic Lilac

Iron Night

32oz Chameleon Shine Water Bottle With Straw Lid

$29.99

$29.99

18oz Rocket Blast

18oz Water Bottle With Straw Lid

Rocket Blast

Berry Twist

Lime Zest

18oz Water Bottle With Straw Lid

$24.99

$24.99

Personalize your drinkware.

Personalize any order.

Most Loved Collections

On a Path to a Greener Future.

With your help we’ve planted over 4.75k trees and counting.