1. Ultrathin, transparent, accurate, suitable for most mothe 2. Silicone material, Soft, safe, comfortable, baby sucking milk will not have foreign material feeling, do not harm skin, do not contain BPA, safe and healthy. 3. The highest temperature can reach 180 degrees Celsius, the mother can be assured of high temperature disinfection, non-toxic and tasteless. 4. Please use boiled water before use, microwave oven disinfection.Put the milk in warm water immediately after feeding, then wash it in reverse.