1. Features No-Spill soft silicone sipper spout
2.Touch-Flo valve prevents spills and leaks
3. Insulated to keep drinks cooler longer
4. BPA Free 
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1.The Nuby No-Spill Insulated Cool Sipper keeps liquid fresh and cool and helps protect furniture from a "sweating" cup. 
2.You and your child will be delighted with the transition to cup drinking thanks to Nuby's valveless, leak resistant design. 
3.The soft silicone No-Spill spout is uniquely designed to prevent drips and spills while being delicate and gentle to your child's gums and new teeth. 
4.The pressure sensitive TOUCH-FLO feature regulates fluid intake with the sucking action of child- when sucking action ceases, the spout closes, ensuring a leak resistant cup.
5. BPA Free, Phthalate Free, PVC Free, Latex Free