1.PC feeding bottle bottle with Liquid silicone rubber nipple. 2.Printing ink is ... made of food-grade POLYCARBONATE one-time injection blow moulding bottle is transparent, light weight, smooth inside, easy to wash ... venthole in the bottom the presure inside and outside the bottle.More healthy, safer,no-toxic and odorless, heat- ... 't contain any heavy metal,no-toxic,safe,hygienic 250ml baby feeding bottle