... of 100% food-grade silicone rubber 2.Waterproof 3.Easy cleaning Silicone Cookie Sheet SIZE: 29.5*39.5*0.14CM WEIGHT ... ) Tasteless, Nontoxic, Anti-dust, Non-sticking, Impermeable, and Easy to wash. . 4)Easy to handle. 5) Environment protective (According to environmental protection ... ,safe and no side effect.2).Flexible,non-stick,easy to cover cup,easy washing and store.3).Temperature range:-40 to ...