This reusable pop-up cap with airhole will work with our 55mm mouth bottles. The 55mm pop-up cap with airhole allows you to drink your water smoothly and faster. Replacement cap for our Daily 8 water bottles, glass water bottles, & Bullet water bottles. If you are using it for other bottles, please check the mouth first. Not all bottles have same size mouth and cap may not work with all other bottles.
- Replacement caps
- For our 55mm screw top mouth bottles
- Reusable - Please wash before and after each use
US Patent D819,395