This Non-Stick Big (Two Thirds) 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. 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. A must-have of cake making and baking tools, and a favorite of baking accessories! 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. It holds 35 (2-inch) or 24 (2.5-inch) cookies. Reusable and more economical than using parchment paper. Foods release easily without oiling or greasing the surface for healthy baking. Made from silicone with a sealed, non-porous surface. Durable, reusable and naturally non-stick, so cleanup is a breeze. Store easily, laying flat or rolled up. Fits standard 16-inch x 22-inch baking sheets. Dishwasher safe. Dimensions: 14.25" x 20.5". Convert an everyday baking tray to nonstick bakeware with this non-stick baking mat! Simply lay the baking mat, logo side facing up, on a baking sheet or cookie sheet. Place items to be baked onto the mat and pop it in the oven.