The Klean Kanteen Sports Cap 3.0 can be used on any of the Classic or Reflect bottles all of which have a 44mm opening. It provides a quick to use pull drinking cap so you can drink while on the move.
Featuring an air inlet valve for chirp free drinking.
Klean Kanteen Sports Cap 3.0 Features
- Silicone spout
- Leak resistant and 'chirp' free
- Dishwasher safe