Baby-safe, crack-resistant Tritan plastic offers the clarity of glass in an age-spanning bottle set that includes a SipKit toddler-cup conversion kit. The RealFeel nipple simulates a real breast by flexing and reacting naturally to baby. Suitable from birth Includes two 8-ounce BuubiBottle MAX bottles, two 5-ounce BuubiBottle MINI bottles, a SipKit conversion set, eight RealFeel nipples and a silicone FlexBrush BPA-, BPS-, phthalate-, and PVC-free Plastic/silicone/food-grade polypropylene Hand wash Imported