... Made of food grade silicone. 2.Anti slip,anti dust. 3.No staining, very durable. 4.Microwave safe. Durable silicone kitchen cooking mitt 1 ... .100% food grade silicone 2. FDA,SGS ,LFGB ... 100% food grade silicone.2.Temperature: -40~230 centigrade 3.Eco-Friendly, Softness, Non-stick ,Anti-dust 4.Durable, long-standing, ...