1.ppsu is one of the safest new material, the body is brown bottle with a glass of non-toxicity, biocompatibility, and their non-friable and other four lightweight shatterproof advantages. 2. The high temperature up to 180 degrees, can be repeated boiling water, steam, microwave disinfection, and you can use detergent. 3. The United States imports of raw materials, materials meet FDA safety standards, does not contain bisphenol A.