What material is my Philps Avent bottle made of? Published on 2019-11-13 Curious about what material your Philips Avent feeding bottle is made of? We have an overview of the materials used in all Philips Avent bottles. Philips Avent bottle material overview Philips Avent bottles are made of different materials: Philips Avent bottles with a milky hue, are made of polypropylene (PP) and are free of BPA Clear Philips Avent bottles are made of polyamide (PA). This material is free of BPA and BPS Philips Avent glass bottles are made of glass and free of BPA