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

Quickly converts Thinkbaby bottles into Thinkbaby Sippy Cup. Designed to fit all Thinkbaby 5oz and 9oz bottles.

No-Spill spout!!! features the cross cut design.

Extra soft, medical grade spout provides an easier transition from baby bottle feeding to Sippy Cups. We have won multiple awards based on the ease of transition of our line.

Perfect for 9 to 36 months

Reduces environmental waste and pocketbook waste

Dishwasher Safe (top rack recommended)

Thinking behind the Conversion Kit