Yontree Silicone Baking Mat Non Stick Cookie Sheets -1 x Quarter Size (11.5x8.5 inches) Grey Edge Brown Base FEATURE Material: Food-grade silicone and fiberglass; Color : Brown Base & Grey Edge; Package: 1x Quarter size sheet(11.5*8.5) SAFE Certification FDA& LFGB; Totally Enclosed Edge with Silicone Avoid Fiber Contact Food; Heat Resistant -60F to 480F ADVANTAGE  Durable, Flexible and Dustproof ;Can be Used Over 4000 TIMES ;EASY-ClEAN with soap water ,Dishwasher Safe ;Roll up to save space ;No cooking sprays or oils. FUNCTIONS  Can be used in the oven, microwave, toaster oven and freezer. Turns any baking sheet into a non-stick surface and you can also use it as a Placemat or kneading dough on it! PROMISEFull Refund,A Lifetime Gurantee !! Worth You Healthy Lifestyle!!