FGN Non-stick Baking Mat, Cookie Sheet,fits Half Sheets Multiple purposes,used for countertop work for breads,candy,Fondant,Pastry,Dough,cake,Baking and more. perfect for the use in oven, microwave and freezer. Material:Made of FDA and LFGB approved silicone and fiberglass,eco-friendly. Size:15.75X11.81X0.1inches (400X300MM) Weight:4.09 ounces Temp. Resistance:from -60F to 240F.Packaging:OPP bag.