Hydro Flask Standard Mouth Flex Straw Cap

Sale price£12.50


Flip and Sip with the leakproof, insulated Hydro Flask Standard Mouth Flex Straw Cap, helping make hydration on the go easier. Simply add this cap to your favourite Standard Mouth Hydro Flask bottle and enjoy insulated cold hydration anywhere.


  • 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


  • Colour: Black
  • Compatibility: Hydro Flask Standard Mouth Bottles
  • Weight: 75 g / 2.72 oz

Additional Product Information:

  • 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.

    Base Camp Food are an official UK retailer for Hydro Flask. 

    To view our complete Hydro Flask collection, please click here.

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