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Standard Mouth Flex Straw Cap

COLOR: Black

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Flip and Sip.

Hydration on the go just got easier with our leakproof, insulated Flex Straw Cap. Add it to your favorite Standard Mouth Hydro Flask bottle to easily enjoy cold hydration anywhere.

Product Benefits

  • Standard Mouth Flex Straw Cap fits all Hydro Flask Standard Mouth Bottles
  • Straw is easy to trim to fit your favorite Hydro Flask
  • Flex Strap is easy to transport and comfortable to carry
  • Honeycomb™ Insulated cap for maximum temperature retention
  • Leakproof when closed so you can reliably sip and transport your refreshment without worry
  • BPA-Free & Toxin-Free
  • Removable components for easy cleaning.
  • Also compatible with Small Flex Strap Packs

Care & Use

  • Dishwasher safe, or use our Straw & Lid Cleaning Set
  • Not intended for use with carbonated beverages.
  • Flex Straw Cap not intended for use with hot liquids.
  • Keep hot liquids out of the reach of children.

We have great faith in our products

Hydro Flask guarantees this product with a limited lifetime warranty against manufacturer defects.

Hydro Flask supports non-profit organisations focusing on building, maintaining, restoring and providing better access to parks. Since 2017, we have been doing just that:
  • 92 Non-profits supported non-profits.

  • $1.5 million Dollars (approx. £1.197 million) donated donated.

  • 26,043 Bottles donated bottles.

Hydro Flask supports non-profit organisations focusing on building, maintaining, restoring and providing better access to parks. Since 2017, we have been doing just that:
92 non-profits.
$1.5 million non-donated.
26,043 bottles.