This Non-Stick Silicone Sheet is made of a laminated rubberized silicone and is food graded. Features extra strong reinforced silicone based on woven fabric and is heat resistant from temperatures up to 450 degrees Fahrenheit. Can be reused between 2,000 to 3,000 times, making this a more economical choice than parchment paper. No greasing necessary and easy to clean with sponge. This product measures at 13 inches long by 18 inches wide and fits a 1/2 size baking sheet. NSF, BPA Free, Oven, Freezer and Microwave safe, Hand wash only. Includes one baking mat - shown with alternate size (sold separately)