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Thinkster Straw Conversion Kit - ThinkBaby
- Free of bisphenol-A (BPA), phthalates, nitrosamines, lead, PVC, PET, and biologically harmful chemicals
- Includes one thinkster swivel top and straw
- Quickly converts THINKBABY Sippy Cup into our award winning thinkster; Designed to fit all THINKBABY 9 Ounce bottles