... grade silicone 2.various size availble 3.non-toxic,BPA free 4.easy to clean MATERIALBottle and Nipple: Medical-grade silicone ... the PC, PES, PPSU bottles. Tests show the bottle is free of environmental hormones (Bisphenol A), non-toxic, and non-deformable ... up, and needn’t to purchase the entire products. BPA free Baby Silicone Feeding Bottle