BonJour Aluminized Steel Nonstick Bakeware, Cupcake and Muffin Pan, 12-Cup, Gray Durable commercial quality aluminized steel construction preferred by professional bakers 12 cup capacity muffin pan; ; may also be used for mini-quiches or rolls. Two tone coating: darker interior for perfect release and lighter exterior for even baking Professional two coat non-stick system withstands over 100,000 cycles of abrasion testing; offers unspurpassed food release Dishwasher safe