This 17.88" x 25.88" jumbo muffin pan is made from heavy-duty 26 gauge aluminized steel. Features a premium non-stick coating for clean release. Closed bead, wire-in reinforced rim. Designed for use in commercial ovens and on speed racks. Ideal for sheet pan racks. PFOA free, PTFE free. Not dishwasher safe. Do not use with metal utensils.