Silicone glass cover 1,Non-toxic,Non-stick 2,Flexible 3,Environmental protection for foods 4.Anti-hot-layer Silicone glass coverAll kinds of color ... .Market:NorthAmerica,western Europe.1>Made of 100% food-grade silicone which approved by ROHS and FDA;2>Nontoxic,Nonstick ,Flexible3 ... >More colors and shapes are available5>OEM order are welcome; Silicone glass cover