BonJour Aluminized Steel Nonstick Bakeware, Brioche Pan Set, 4-Piece, Gray Durable commercial quality carbon steel construction 3.5 inch pan creates the perfect French Brioche 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