... Made of safety Silicone and PP material. They are BPA free, pthalates free, free of lead and other harmful chemicals. It is our ... and nipple are the same material, transparent, odorless, no-toxic, free of Bisphenol-A(BPA).Unique Design: Suitable elasticily, strength and ... economy:silicone is anti-aging, not deformed, sterilizable and resists high and low temperature(-50-200C), bottle can be used for ...