Thermos Stainless Steel Funtainer Water Bottle with Straw, Sealife, 12 Fluid Ounces
Thermos Stainless Steel Funtainer Water Bottle with Straw, Sealife, 12 Fluid Ounces
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Thermos Stainless Steel Funtainer Water Bottle with Straw, Sealife, 12 Fluid Ounces

1,011 ratings
Thermos Stainless Steel Funtainer Water Bottle with Straw, Sealife, 12 Fluid OuncesThermos Stainless Steel Funtainer Water Bottle with Straw Sealife 12 Fluid OuncesThermos Stainless Steel Funtainer Water Bottle with Straw Frozen 12 Fluid OuncesThermos Stainless Steel Funtainer Water Bottle with Straw Mod Flowers 12 Fluid OuncesThermos Stainless Steel Funtainer Water Bottle with Straw Minecraft Girl 12 Fluid Ounces
PatternSealife

Key item features

  • Advanced Insulation: Thermos vacuum insulation technology ensures maximum temperature retention, keeping drinks cold for up to 12 hours.
  • Durable Construction: Made from double wall stainless steel, this water bottle is built to withstand drops and rough handling.
  • Convenient Design: Features a push button lid with a pop-up silicone straw for easy drinking and an integrated carry handle for portability.
  • Child Friendly: Designed with kids in mind, the FUNtainer is sweat-proof and made from BPA-free materials, ensuring safety and ease of use.
  • Easy Maintenance: Dishwasher safe for easy cleaning, though hand washing is recommended to maintain the bottle's quality.
  • Cold Only: Not suitable for hot liquids, making it perfect for keeping beverages refreshingly cold.
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Customer ratings & reviews

4.6 out of 5 stars
stars
1,011 ratings372 reviews
How item rating is calculated
  1. 5 stars83% (841)
  2. 4 stars7% (75)
  3. 3 stars2% (24)
  4. 2 stars2% (23)
  5. 1 star5% (48)

Reviews summary

Pros

  • : Features fun patterns on the exterior.
  • : Allows effortless sipping and consumption.
  • : The bottle keeps drinks cold all day and fits young kids.
  • : Designed for small hands, fits comfortably.
  • : Comes apart for cleaning and drying.

Neutral

  • : It is leak-free at first but later develops leaks.
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Showing 1-3 of 372 reviews

Jan 15, 2026
Reviewer name: Linda
Item details
Color: Blue
Pattern: Sealife
Sold and shipped byThermos LLC.
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

A great value in kids water bottles.

We have several Thermos brand stainless steel Funtainers, and love this blue sealife pattern. This water bottle is very durable, and keeps drinks cold for hours. No leaks, no spills, and very easy to clean. This is the only brand we buy in stainless steel bottles. A very good value, too.

Helpful?050cb9b0-6892-11f1-8dd0-9d3763a63fd7846050449
Jan 15, 2026
Reviewer name: Linda
Item details
Color: Peach
Pattern: Butterfly
Sold and shipped byThermos LLC.
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

A great value in stainless steel water bottles.

We have several Thermos brand stainless steel Funtainers, and love this butterfly pattern. This water bottle is very durable, and keeps drinks cold for hours. No leaks, no spills, and very easy to clean. This is the only brand we buy in stainless steel bottles. A very good value, too.

Helpful?050cb9b0-6892-11f1-8dd0-9d3763a63fd7846050449
Jan 22, 2026
Reviewer name: Ab
Item details
Color: Pink
Pattern: Flowers
Sold and shipped byThermos LLC.
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

great toddler tumbler!

tumbler is easy for little hands to hold but quite tricky for grown-ups, but it's spill-resistant, and keeps drinks cold for hours. Durable, cute design, and very easy to clean, perfect for everyday use

Helpful?050cb9b0-6892-11f1-8dd0-9d3763a63fd7846050449
Current price is $17.75
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  • Free shipping
  • Free 30-day returns

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Arrives between Sep 9 - Sep 12
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4.52571737953438 stars out of 5, based on 1847 seller reviews(4.5)
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Shipping, arrives by Wed, Sep 9 to Columbus, 43215
Sold and shipped by Thermos LLC.
Free 30-day returns