Baby Bottle to Sippy Cup Conversion Kit

This extra soft, medical-grade spout provides an easier transition from baby bottle feeding and converts Thinkbaby bottles into Thinkbaby Sippy Cup.

Designed to fit all Thinkbaby 5oz and 9oz bottles.

Perfect for 9 to 36 months.

Free of Bisphenol-A (BPA), phthalates, nitrosamines, lead, PVC, PET, and biologically harmful chemicals.