Klean Kanteen Polypropylene Flat Cap (fits all bottle sizes)

The Klean Kanteen Polypropylene Flat Cap fits all Klean Kanteen bottles - regardless of bottle size, and is perfect if you need a spare or just want to try a different cap style.

• Flat-top cap is great for a backpack where space is at a premium
• Polypropylene cap and Silicone O-ring are non-toxic, BPA-free, and leak-free