HEALTHY AND ROBUST : Fire More baking trays and racks for baking and cooling racks are made of high quality 18/3 stainless steel, without toxic chemical coating or creating chemicals when cooking at high temperature. They are food grade, will not rust and are sturdy for everyday use. A better option than aluminum or coated pans and grills EXCELLENT CRAFTS AND INTENSIVE USE : The large gauge baking sheet with sturdy construction, proper weight and reinforced rolled edge provides extra strength to help prevent baking sheets from twisting and deforming in the oven. Mirror polishing of the surface of the plate helps to reduce.Oven plate is heated evenly during cooking, which prevents overcooking COOLING GRILLE : The 4-foot support design allows the entire cooking rack to be lifted 0.9 inches for better air circulation, making food much crisper than if it were simply laid flat on a plate. The solid stainless steel construction of the griddle grids makes them perfect for cooking and cooling