Silicone Baking Mat,NonStick Baking Mats (x3) Non-Slip Washable Reusable Heat Resistant, Non-Toxic, Flexible, Non-Stick, Easy to Clean Baking Sheet(16.5"x11"). BETTER BAKED GOODS: Designed for use in all types of ovens (except direct-fire ovens), these professional-grade (BPA Free) mats can be used with pans or sheets to improve overall heat distribution and air circulation, for even and consistent results, with no burned or undercooked spots.