The Kid Sippy Cap converts any Kanteen Classic into a spill-proof, BPA-free, toddler-friendly Kid Kanteen. Every sippy cap comes with a polypropylene dust cover and handy attachment loop. Hook it on a backpack or throw it in a nappy bag and head off with safe hydration for your little one. Easy carry swivel loop handle, spill proof, BPA free, removable valve for easy cleaning, dishwasher safe, compatible with all classic Klean Kanteen bottles.