Mrs. Anderson's Non-Stick Big (TwoThirds) Silicone Half-Size Baking Mat is a commercial-grade baking mat designed for the home baker for cooking and baking. It is the largest size Baking Mat to fit standard home ovens and works in all types of ovens, including conventional and convection. A must-have of cake making and baking tools, and a favorite of baking accessories! Woven glass fibers sealed inside the silicone Baking Mat transfer heat evenly, so baked goods, like doughs, pastries, and breads, cook to a perfect golden brown, every time. Perfect mat for artisan baking, like Irish soda bread, sourdough, and French bread. Strong and durable to outlast thousands of uses at temperatures from -40 degrees to 480 degrees Fahrenheit.