SiliconeZone Large Pastry/Baking Mat Reusable pastry/baking mat made of FDA-approved food-grade silicone Promotes even heat distribution for excellent browning of baked goods Microwave-, freezer-, and dishwasher-safe; nonporous high-gloss nonstick finish Great non-skid work surface for kneading dough Includes inch and centimeter measurements and pie crust diameters; lifetime guarantee