Full sheets are made for commercial oven use and do not fit in standard home ovens, be sure to measure your oven's interior dimensions to confirm this oversized commercial pan will be compatible Individual pan dimensions: Interior 17.3 x 25.3 x 1 inches and Exterior 18 x 26 x 1 inches, not for standard home ovens Naturals baking sheets are made of pure uncoated natural aluminum for healthy baking and consistent even browning. Encapsulated galvanized steel rims prevent warping and fits into foodservice racks. Chemical free, PFAS-free. Compatible with parchment paper or silicone baking mats if desired. Easy clean up; hand wash recommended. Made in America of domestic and imported materials. Our aluminum bakeware-quality pieces are made to withstand a lifetime of use in your home kitchen.