This cap is compatible with Klean Kanteen bottles with a 44 ml opening. It is designed to transport your drinks safely without drips and is an ideal update for the kid models as children grow older.
About the brand
Klean Kanteen's mission is to keep single-use waste from trashing the world. The family owned business introduced the first stainless steel, BPA-free, reusable water bottles in 2004 as a non-toxic solution to single-use plastic water bottles. Their high-quality, eco-friendly products have become popular around the world.