●Feature1.Quality selected FDA standard food grade material.2.The heat resistance of the feeding bottle is up to 197°C, BPA-Free. Bearable with 1000 times repeated sterilization.3.Light bottle with high hardness, extra durable.4.Leak-free designed, and easy to grip.5.Printed with lead-free ink from Germany.6.Equipped with cross hole mother's touch anti-colic nipple. ●MaterialCap／Neck Cap／Handle：Polypropylene (-20°C~ +100°C)Bottle: PPSU(Polyphenylene Sulfone) (-20°C~ +197°C)Anti-colic Nipple: Food grade silicone (-40°C~ +150°C)Flip-it lid/Cap/Junction： Polypropylene (-20°C~+100°C)Sipper Straw/Silicone Ring：Silicone (-20°C~+100°C)Tube: Food grade silicone (-20°C~ +120°C)Tube Bead: Polypropylene / Stainless Steel (-20°C~ +100°C) Attention: Tube bead contains stainless steel, please DO NOT put it in the Microwave for heating.