Mrs. Andersons Non-Stick Silicone Baking Mat for baking cakes, breads, dough and pastries, and cooking sweet and savory dishes or freezing foodsMade from FDA-approved silicone and natural glass fibers for even heat transfer; non-porous surface eliminates worry of cross contamination of foodNaturally non stick for quick release of foods and easy cleanup; no greasing or added oils necessary; durable and reusable for thousands of usesTemperature safe for use in the oven and freezer (-40 degrees to 480 degrees Fahrenheit); reusable and more economical than using parchment paperMeasures 11.625 x 16.5-inch; holds 24 (2-inch) or 20 (2.5-inch) cookies; fits standard 13-inch x 18-inch baking sheets; dishwasher safe