aluminum alloy, and Small holes allow for increased air, faster cooking, and a crispier finish (compared to cooking with a pan Baked goods rise and bake evenly due to aluminums heat conductivity and the reinforced encapsulated steel for rim prevents warping The, aluminum construction bakes evenly and browns uniformly, while the light color prevents overbrowning and Hand-wash only with warm, soapy water before first for time use and after each use