Hydration on the go just got easier with the leakproof, insulated Flex Straw Cap. Add it to your favorite Standard Mouth Hydro Flask bottle to easily enjoy cold hydration anywhere.
- Leakproof when closed
- Straw is easy to trim to fit your favorite Hydro Flask
- Flex Strap is easy to transport and comfortable to carry
- Insulated for maximum temperature retention
- Removable components for easy cleaning
- Dishwasher safe
- Not intended for use with hot liquids