Zipstream® is a premium high flow cap featuring a self-sealing valve.
The valve’s design prevents the bottle from leaking even in the open position, and allows pressure to build inside the bottle when squeezed — releasing a refreshing burst of water.
- Upgrade your Polar Bottle Sport cap with a ZipStream High Flow Cap accessory
- Self-sealing valve
- Spill-proof cap fits all 12oz, 20oz and 24oz Polar Bottles
- Removable valve for easy cleaning
- Dishwasher and freezer safe
- Phthalate and BPA free
- Made in USA and backed by a lifetime guarantee and free replacement caps
- Purchase 24 caps to receive a full case