The Klean Kanteen KCSIPPY-GN sippy cap is for use with the following:
The Klean Kanteen Green Sippy Cap - KCSIPPY-GN is a replacement cap for Klean Kanteen Sippy Cups. This Sippy Cup cap is leak proof and constructed with BPA-free polypropylene. The Klean Kanteen Sippy Cap is durably constructed and has a lovely green finish.
Klean Kanteen Green Sippy Cap - KCSIPPY-GN specifications: