A sleek 40 oz Hydro Flask Wide Mouth Bottle with a Flex Straw Cap, showcasing the iconic logo, stands out against a white background. A black 40 oz Hydro Flask Wide Mouth Bottle with Flex Straw Cap, featuring a sturdy handle and flip-top lid. It has a white logo of a stylized person with arms raised near the top, and the brand name is printed at the bottom for easy filling and cleaning. A hand showcases a sleek black Hydro Flask with its logo and text. The Wide Mouth Bottle with Flex Straw Cap, 40 oz is perfect for on-the-go use against a clean white backdrop. A woman in a red bikini top sits at an outdoor beachside location, drinking from a blue flip-top water bottle. Text on the image reads, Flip, sip and go. A smiling man outdoors holds a blue water bottle with a sling over his shoulder. The text 24 hours cold appears on the image. A body of water and hills are visible in the background.
Beyond Plastic No Single Use Plastic
A sleek 40 oz Hydro Flask Wide Mouth Bottle with a Flex Straw Cap, showcasing the iconic logo, stands out against a white background.

Hydro Flask Wide Mouth Bottle with Flex Straw Cap, 40 oz

40 oz

Why we love it

  • Free from 3,000+ banned ingredients and meets our EU-informed standards.
  • Made with TempShield double-wall for excellent temperature management.
  • BPA-Free and dishwasher safe, promoting healthy and convenient use.
  • Strong commitment to environmental sustainability through reusable and smart packaging.
$41.99 $49.95 Save 15%

Wide Mouth Bottle with Flex Straw Cap, 40 oz $41.99

Free carbon neutral shipping on orders $29+. Arrives in 3–5 days. Free, easy 30-day returns.

Flip it and sip it.

Flip it and sip it with the Hydro Flask 40 oz Wide Mouth Bottle With Flex Straw Cap. With a comfortable, flexible handle, the closeable, leakproof straw cap is easy to open and close with one hand, for on-demand hydration. Double-wall insulation keeps drinks cold up to 24 hours for cool refreshment. The insulated bottle easily fits ice cubes and is dishwasher safe.

  • 24 hours cold.
  • TempShield®️ double-wall vacuum insulation.
  • Leakproof when closed.
  • Pure taste, no flavor transfer.
  • BPA-Free
  • Dishwasher safe
  • Flex Straw Cap not intended for use with hot liquids.
  • Not for use on a stove, in a microwave or freezer.
  • Bottle fits all Wide Mouth caps and lids.

Hydro Flask is committed to making contributions towards the goal of a circular economy thourgh reusable products, material choices and smart packaging. We have eliminated single-use plastic packaging for more than 90% of our products. Every product is made with a TempShield double-wall that protects temperatures for hours and are BPA-Free and dishwasher safe.

Steel, Powder Coat

Dishwasher safe cap is not intended for use with hot liquids and not for use on a stove microwave or freezer.

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Screened for unwanted additives

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Built for better cooking

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Reduced-plastic options that help limit waste and microplastic exposure

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Grove Co. is on a mission to reduce plastic in home essentials — for both people and for the planet.

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