Weston Multi-Purpose 11 Inch x 17 Inch Silicone Baking Mat Quality and performance driven products for your home Tested for safety and health Provide a better quality of living for your home with Weston 11 inch by 17 inch Jelly Roll Pan Withstands temperatures from -40 degress F to 480 degrees F Dissipates heat rapidly to prevent burning of your cookies or pastries Double-sided, food-safe silicone for a firm grip to the countertop Can be ued with gas or electric ovens as well as toaster and mirowave ovens