Classic Flip Seal Sport Cap A0

Includes special telescoping straw to fit various size bottles. NOTE: Compatible with Classic narrow mouth bottles only (with internal threads).

The 100% leakproof Flip Seal Sport Cap comes with an ergonomic spout that opens and closes with just a flick of the thumb and can be used with or without the included stainless steel straw for maximum versatility so you can stay hydrated your way. Recommended for kids ages 3+.