Harold Import Co. For baking cakes, breads, dough and pastries, and cooking sweet and savory dishes or freezing foods. Made from silicone and natural glass fibers for even heat transfer; FDA, LFGB, DGCCRF, ISO9001 certified; non-porous to eliminate cross contamination. Naturally nonstick for quick release of foods and easy cleanup; no greasing or added oils necessary; durable and reusable for thousands of uses. Temperature safe for use in the oven and freezer (-40 degrees to 480 degrees Fahrenheit); reusable and more economical than using parchment paper. Measures 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.