SiliPro (2 pk.) Non-Stick Silicone Baking Mat Set, 16 5/8" x 11 Fits half size baking sheets 18 Set provides outstanding heat conductivity; FDA and LFGB approved silicone. Artisan Silicone baking mats can withstand temperatures from -40 degrees Fahrenheit to 480 degrees Fahrenheit. Easy to clean with warm water and mild dish soap and air dry or dishwasher approved for top rack only. Artisan Silicone mats are perfect to use for in the oven, microwave or freezer. Flavors or odors will not penetrate the baking mats; Durable and long lasting performance, thousands of uses. Set provides outstanding heat conductivity; FDA and LFGB approved silicone. Can be used in an oven up to 480 degrees