Baby bottle 's body, cap and ring is made from high quality food grade PP(polypropene)material , nipple is made of liquid silicone rubber material, making it safe, reliable, durable, washable and definite 100% BPA-Free. Because they are made from food grade pp(polypropene) and liquid silicone rubber, plastic parts are also Phthalate Free, can withstand temperature up to 110℃, withstand shocks from drops, press, knocks, sterilizing and microwave safe, dish-wahing is safe. It will establishs you a peace of mind that a bottle will last to last.