... Baby Silicone Baby Product feeding bottle, made of food-grade silicone rubber, FDA certificate, our patent design!!baby feeding bottle, our patent design!Material:Bottle ... heat-resistant to 120, sterilizable.Bottle Cap: polypropylene, heat-resistant to 120, sterilizable.Bottle sleeve: match with twist cap ... to prevent leakage of milk.3: Check the bottle and the nipple frequently. Replace immediately if ...