40-Oz Wide-Mouth Flex Straw Stainless Steel Bottle

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Product details

Web ID: 17954345

With a wide mouth that makes it easier to add ice or drink mixes, this Hydro Flask bottle is in durable double-wall stainless steel with an insulated cap that helps maintain the temperature.

  • Product Features

    • Approx. dimensions: 4"L x 5.2"W x 6"H; approx. weight: 0.75 lbs.
    • TempShield® double-wall vacuum insulation
    • Leak-resistant Flex Cap for maximum temperature retention
    • Pro grade 18/8 stainless steel with Color Last powder coat
    • Fits most backpacks and vehicle cup holders
    • Manufacturer's lifetime warranty
    • Stainless steel
    • Dishwasher safe
    • Imported
    • Request warranty information

  • Shipping & Returns

    • This item qualifies for Free Shipping with minimum purchase! exclusions & details
    • Our Normal Gift Boxing is not available for this item.
    • California and Minnesota customers call 1-800-289-6229 for Free Shipping information.
    • Returns are accepted at any Macy's store within 30 days from purchase date. Last Act items are final sale and sold "as is." No returns, exchanges, or price adjustments allowed.
    • For complete details, see our Shipping and Returns policies.

Ratings & Reviews

Here's what customers think
  • The product is praised for its excellent insulation, keeping drinks cold for long periods, and durable, high-quality construction.
  • Customers love the wide variety of color options and the convenient straw lids.
  • However, some issues with leakage, insulation not lasting as long as expected, and receiving the wrong color or a damaged product have been reported.
  • Overall, the majority of customers are very satisfied with the product and consider it a worthwhile investment that provides excellent value and performance.
AI-generated summary from 832 customers reviews.
4.3/5

833 star ratings, 832 reviews

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832 reviewssorted by Newest

Jackie F.
11 days ago
Incentivized review

Not the best water bottles

I’m very disappointed in this product. Bought one for me and my daughter and when you use it it leaks down the front of you. .

Customer review from hydroflask.com

Wade A.
17 days ago
Incentivized review

Wide mouth with flex Straw cap.

The insulation works really well. It keeps my drinks cold for hours, which is perfect for long days at work or when I’m out training. I haven’t had issues with leaking, and the lid design is secure while still being easy to open and close.

Customer review from hydroflask.com

Samantha D.
18 days ago
Incentivized review

Beautiful color! I really like this water bottle

We've used HydroFlask bottles for about 10 years and love this brand for its ease of cleaning and clean third-party test results for its stainless steel.

Customer review from hydroflask.com

Kailah C.
25 days ago
Incentivized review

Absolutely amazing

This was the perfect water bottle for me. I absolutely adore it. Best purchase I’ve made so far.

Customer review from hydroflask.com

Dean S.
25 days ago
Incentivized review

40oz Hydroflask

Excellent !!!!! Great for travel , hiking , kayaking & outdoor excursions…. . loving the personal logo !!

Customer review from hydroflask.com

Robert G.
30 days ago
Incentivized review

Hydro Flask - Changed the size of the Font

This is our 5th or so order and we always have these engraved for family members. Helpful so boys don't lose them. The prior font fit with the size of the water bottle and was honestly very nice and stood out. LOTS of compliments and made them easy to spot. The current font is super small and doesn't look right on a 40oz bottle. We were surprised and disappointed at the change, especially since the price has gone up. Quality of the Bottles is still great, but wouldn't pay the extra for engraving again.

Customer review from hydroflask.com

Rosemarie D.
1 month ago
Incentivized review

Finally, a good one

I am getting rid of my lesser water bottles. This one really does keep cold liquid cold and the hot ones hot. Great for my round of golf.

Customer review from hydroflask.com

Glenda D.
1 month ago
Incentivized review

Keeps Water cool

Not my first Hydroflask, but the drinking straw lid, the straw does not stay open unless you put your thumb on the spout while drinking, otherwise you suck in air. I like how the spout snaps down into the lid.

Customer review from hydroflask.com