Need a new cap for your Hydro Flask?
- 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
