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+.
Care and Use
Check out our Care and Use page for videos, maintenance and cleaning tips.
Questions about materials or sustainability? Visit our FAQ page.