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

40 oz

4.3  (912 reviews)
The Hydro Flask Wide Mouth Bottle with Flex Straw Cap, 40 oz, features a black Flex Straw Cap with a flexible straw and an attached carrying loop. The white bottle displays the Hydro Flask logo, a hand silhouette, and casts a shadow against a white background. A Hydro Flask Wide Mouth Bottle, 40 oz, features a black lid with handle and a stylized hand logo. Hydra Flask appears near the base. Its sleek design casts a shadow on a white background, combining style and function effortlessly. A hand holds a sleek white Hydro Flask Wide Mouth Bottle with a Flex Straw Cap, 40 oz, and a black lid against a plain white background. The bottle showcases the iconic black Hydro Flask logo for easy sipping on the go. 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.
The Hydro Flask Wide Mouth Bottle with Flex Straw Cap, 40 oz, features a black Flex Straw Cap with a flexible straw and an attached carrying loop. The white bottle displays the Hydro Flask logo, a hand silhouette, and casts a shadow against a white background.
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$49.95

$39.95

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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.

Grove Values

Let’s end the plastic era for good.

This product contains durable, reusable plastic, defined by the EPA as lasting 3 years or more. There is no single-use plastic.

Go Beyond Plastic
This product contains durable, reusable plastic, defined by the EPA as lasting 3 years or more. There is no single-use plastic.
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Healthier cookware, pantry staples, and more.

From snacks to saucepans, every product is reviewed to meet strict ingredient and material standards — reducing exposure to unwanted additives and plastics in your food and kitchen.

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Screened for unwanted additives

Made without BPA, PFAS, melamine, or artificial preservatives

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Built for better cooking

Crafted from stainless steel, silicone, ceramic, and glass — not plastic

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Reduced-plastic options that help limit waste and microplastic exposure

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Plastic products break down into microplastics that can affect human health.

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

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