ThermoFlask 40 oz Double Wall Vacuum Insulated Stainless Steel Water Bottle with Chug Spout Lid, Tranquil Blue
ThermoFlask 40 oz Double Wall Vacuum Insulated Stainless Steel Water Bottle with Chug Spout Lid, Tranquil Blue
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ThermoFlask 40 oz Double Wall Vacuum Insulated Stainless Steel Water Bottle with Chug Spout Lid, Tranquil Blue

ThermoFlask 40 oz Double Wall Vacuum Insulated Stainless Steel Water Bottle with Chug Spout Lid, Tranquil BlueThermoFlask 40 oz Double Wall Vacuum Insulated Stainless Steel Water Bottle with Spout and Straw Lid Tranquil BlueThermoFlask 40 oz Double Wall Vacuum Insulated Stainless Steel Water Bottle with Spout and Straw Lid Pitch BlackThermoFlask 40 oz Double Wall Vacuum Insulated Stainless Steel Water Bottle with Spout and Straw Lid Sea Kelp
Actual Color:Tranquil Blue

Key item features

  • Optimal Insulation: This 40 oz double-wall vacuum insulated stainless steel water bottle maintains drink temperatures, keeping beverages cold for up to 24 hours and hot for up to 12 hours.
  • Durable Construction: Crafted from 18/8 food-grade stainless steel, the bottle ensures long-lasting performance and is designed for daily adventures and outdoor activities.
  • Secure Lid: The leakproof chug spout lid features a tight seal, preventing spills and making it safe for transport in backpacks and for on-the-go use.
  • Versatile Hydration: Includes a convenient straw lid option, offering versatility for different drinking preferences and ensuring easy, controlled, one-handed hydration.
  • Effortless Cleaning: Both the bottle and its lids are dishwasher-safe, simplifying maintenance and ensuring hassle-free cleaning after each use.
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Current price is $32.9982.5 ¢/oz
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Ships in the manufacturer's original packaging, which may reveal the contents.

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Customer ratings & reviews

4.8 out of 5 stars
stars26 ratings14 reviews
How item rating is calculated
  1. 5 stars85% (22)
  2. 4 stars8% (2)
  3. 3 stars8% (2)
  4. 2 stars0% (0)
  5. 1 star0% (0)

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Showing 1-3 of 14 reviews

Dec 9, 2025
Erik
Item details
Color: Tranquil Blue
5 out of 5 stars review

Verified Purchase

Meets My Overnight Needs

Pros: It holds a lot of water and easily stays cold overnight without ice. It's easy to clean. The handle feels very sturdy. The cap design makes drinking easy without spilling. Pretty teal color! Nice simple design. Cons: Eventually the water starts tasting like the metal of the bottle if the water is in there for too long. It's too big for the cup holders in our van.

Incentivized Review
Helpful?1M4WHBEW10CQ11680721481
Dec 27, 2025
Tracie
Item details
Color: Pitch Black
5 out of 5 stars review

Verified Purchase

This is a replacement for the same cup for the same one that was lost. I knew it worked good so I wanted to have the same cup. It keeps my ice frozen all day.

Incentivized Review
Helpful?1M4WHBEW10CQ11680721481
Jun 3, 2026
Bradley
Item details
Color: Sea Kelp
5 out of 5 stars review

Verified Purchase

Best insulated water bottle I've ever owned.

This green insulated 40 ounce water bottle is unbelievable. It has exceeded my expectations. It keeps any liquid I put in there fresh and cold for well over 50 hours. It is a great buy!

Incentivized Review
Helpful?1M4WHBEW10CQ11680721481