What's Cooking with Jim Silicone Baking Mat for Half Sized Sheet Pan with No BPA Nonstick, flexible silicone mat with fiberglass mesh interior with no BPA Provides uniform heat distribution for even baking Can withstand temperatures from -40F to 450F (232C) Eliminates the need for parchment paper, aluminum foil and cooking sprays, providing a healthier option Multipurpose uses include baking, rolling or kneading dough, working with caramel, taffy and more.