Steel Imported SWEET AND SAVORY BAKING: versatile cookie sheet is perfect for making jelly rolls, cookies, pastries, pizza, one-pan meals, roasted vegetables, and more GREAT RESULTS: evenly distributes heat for consistent baking NONSTICK: dual-layer coating keeps food from sticking to pan for easy release and cleanup DURABLE: heavy-weight aluminized steel stands up to frequent use; oven safe to 450°F / 232°C SPECIALLY DESIGNED: features wire-rod reinforced rims to prevent warping