?Nonstick Cookie Sheets Set?Including 3 pieces non-stick baking sheets. Small: 11” x 15” ?Interior: 13.2” x 9.1”?, Medium: 12” x 17”?Interior: 15” x 9.8”?, Large: 13” x 19”?Interior: 16.7” x 11.2”?, height: 0.7”. Large-capacity design, perfect for home and commercial use. ?High Quality Carbon Steel?Heavy duty carbon steel, offers uniform heat distribution, durable and easy to handle, allows for repeated use for years. Easily hold your heaviest foods like chickens, ribs, roasts, turkey, and vegetable dishes without worry of bending or warping under the weight. ?Superior Non-stick Coating?Adopts safe and non-toxic non-stick coating, PFOA & PFOS free, five-layer coating process, durable and not easy to rust, with excellent non-stick performance, easy to release and clean up. Suitable for sweet or savory baking, from cookies to dinners. ?Smooth Edges?With smooth rolled-rim edges and moderate edge width, can better protect your hands while easy to put in the oven, without worrying about scratching your fingers. ?100% Satisfaction After-sales?For best results, recommend wash with soft cleaning rag and neutral detergent then dry the water before first and after each use. If you have any questions or dissatisfaction with the product, please feel free to contact us, we will do our best to help you.