- PolyGlass is the new generation of copolyester. Special design fot the future of baby bottle. There are BPA Free. High Clarity. -The research of PolyGlass started few year s ago. Go through various laboratory and organic testing. Especially for food industries. It passed through all the test. The most important test are FDA Part 175-181 and SGS IEC 62321-5-2013 whose renown in the world. -PolyGlass is Eco-friendly bio copolyester which is created using natural materials based on the extract from plant or vegetable materials therefore it does not include environment hormone bisphenol A (BPA) is the controversial never-ending human hazard. -PolyGlass is a excellent resin which have chemical resistance and food stain resistance among the transparent resin used in food contact applications and its low oxygen permeability is useful for food storange container such as the airtight container. -Other than meeting the purpose of baby milk bottle, This material have the extra specification as follow : No environmental hormones. High heat deflecation temperature. High impact-hardness as glass. High gloss. None elemental migration. None heavy metal contents.