PA is a premium plastic; it has the transparency and stain proof scratch resistant properties of glass, while also being lightweight and shatterproof. So you get the best of both worlds. 这个是在Philips 奶瓶网站看到的。但却没找到这个材料的奶瓶。这个PS Plastic 你怎么看?没有BPA 和 BPS,但好像怕酒精。 Easy to sterilize, contains 0% BPA1 and 0% BPS2, and dishwasher and bottle warmer safe.