Keep baking pans clean and prevent food from sticking with this easy-to-wipe heat-proof silicone mat. Fits standard half sheets, cooking surface 16 by 11 inches. Before initial use and after subsequent uses, hand wash with warm, soapy water and dry thoroughly (dishwasher safe). Do not expose directly to open flame and do not use under the broiler. Temperature safe up to 450˚F. Best stored flat or rolled. Do not cut on mat.