2.pp plastic is polypropylene plastic, which is non-toxic. Will not cause harm to the human body. The lid made of polypropylene is nontoxic, and the processing temperature is (℃) 180 ~ 240. So boiling water won't decompose it. So don't worry about the toxicity of tableware. The lid of pp plastic water cup is made of polypropylene, which has good heat resistance. The product can be sterilized at the temperature above 100℃, and will not deform under the action of external force at 150℃.