Mrs. Anderson's Heavyweight Big Sheet Baking Pan for baking rolls, breads, cakes, cookies, pastries, and sweet and savory dishes to perfection Heavyweight 19-gauge aluminum; won't rust; transfers heat evenly; heat safe (to 480-degrees Fahrenheit); NSF; non-porous for better kitchen safety The largest commercial-grade baking pan to fit standard home ovens; reinforced beaded rim keeps it from warping to outlast thousands of uses Great for baking, chilling, and freezing; wash with sponge and mild soap; do not use scrapers or brushes, cut in the pan, or place in the dishwasher