Replace your cap or stock up on extra for any Standard Mouth Hydro Flask drinkware with this great Flex Cap! Made to keep your bottle sealed and temperature consistent throughout the day, this cap also comes with a flexible loop on attached for easy carrying or fastening to a pack.FEATURES/BENEFITS:
- Flexible top loop for easy carrying and fastening.
- Comfortable, easy to grip material.
- Lifetime warranty from the manufacturer.
- BPA free.