Half-Size Baking Mat for Even Heating. Bake up some delicious cookies with this non-stick mat. Woven glass fibers sealed inside the brown silicone baking mat transfers heat evenly, so foods cook to a perfect golden brown every time. Made from food-grade silicone, this mat features a brown border and brown fibers woven in the clear center. Naturally non-stick, this mat is easy to use and easy to clean. Brown and clear silicone with woven fibers. Even heat transfer safe for temperatures between -40 and 480 degrees F. Fits standard 13" x 18" baking sheets. Reusable and more economical than using parchment paper. Wipe clean. Dimensions: 11-5/8"L x 16-1/2"W.