This Chicago Metallic Mini Muffin Pan is made from heavy-weight aluminized steel for superior heat conduction and even baking. Designed with a diamond-quality, non-stick, dual-coating for ease in baking and cleaning. Features a wire rod reinforced rim to prevent warping. Dishwasher, freezer and oven safe. Muffin pan measures 15-3/4 in. long x 11-1/4 in. wide; each muffin cup measures 2 in. Dia x 3/4 in. high.