Patisse 01706 Professional Silicone Baking Mat with Embedded Dimensions, 15-3/8" x 16-1/2" (39 cm x 42 cm), 15.375" x 16.5", White/Black Rectangular heat resistant professional baking mat for oven use Made of a high quality heat resistant silicone material Evenly disperses heat to your baked goods Safe for oven use Dimensions 16 1/2 Inch by 15 3/8 Inch or 39 cm x 42 cm