Klean Kanteen Classic Flip Seal Sport Cap - No Straw Thyme

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 a stainless steel straw for maximum versatility so you can stay hydrated your way. NOTE: Steel straw sold separately, to fit correct bottle size. Compatible with Classic narrow mouth bottles only (with internal threads). Recommended for kids ages 3+.