... 2.FDA, LFGB grade silicone 3.100% food-grade silicone Eco-friendly and Colorful Silicone Collapsible Drinking Cup :1.Specification Material100 ... temperature rang form -40°c-250°cCertificationFDA/LFGB/RoHSFunction 1.Eco-friendly, nontoxic to human body, tasteless2.Heat-resisting, safe ... you have any question ,pls feel free to contact us Eco-friendly and Colorful silicon rubber Collapsible Drinking Cup