1.100% food grade silicone material with FDA, LFGB or DGCCRF approvals. 2. Non-toxic, save to use in oven, microwave, freezer (1) Made of high quality food grade silicone materials with FDA&LFGB certificate.(2) Temperature range from -40 to 230 centigrade.(3) Tasteless, Nontoxic,Anti-dust, non-sticking, impermeable.easy to wash.(4) Easy to handle.(5) Environment protective (According to ...