Free of Bisphenol-A (BPA), Phthalates, Nitrosamines, Lead, PVC, Pet, and Biologically Harmful Chemicals No-Spill Nipple Features this Cross-Cut Design The Design also Mimics Natural Breastfeeding as it Requires Your Little one to Nurse to Receive Fluid Anti-Colic Nipple Helps Reduce Incidence of Gas and Spit up Unique One-Piece Design Eliminates Cleaning Headaches and Tricky Assembly No Extra Parts to Lose Extra Soft, Medical Grade Silicone Spout Provides Easier Transition from Breastfeeding to Bottle Feeding Thinkbaby of Steel is Made from 304 (18/8) Ultra-Polished Stainless Steel The Bottle Also Features Side Measurement Markings Comes with Travel Top, Which Reduces the Chance of Spillage During Travel and Protects the Nipple From Coming into Contact with Foreign Substances Dishwasher Safe Does not Leach Chemicals to Adversely affect the Environment 121197SKU 859871004033