... Detailed Product Description nipple of the feeding bottle: nipple is made of food-grade ... the bottom balances the pressure inside and outside the bottle; more healthy, safer, no-toxic and odorless, ... .Top lid: the top lid of our feedig bottle is made od pp, resist tempreture up to 100 ... food level PC material, one-time injection blow moulding; bottle is transparent, Light weight, smooth inside, easy to ...