Material : Food Grade SiliconeSize : 29.7X19.7X2.3CM Hole Size : Diameter 4 X Height 2CM 1.Non-toxic tasteless，enviromental，high temperature resistant2.Suitable for microwave，oven and refrigerator.3.Reusable，non-stick4.Suitable Temperature:-30 to 230 degrees5.Color : Send by random according the stock