From Golden Rabbit , this tray features: This enamelware is made of carbon steel coated with a porcelain enamel and trimmed in stainless steel. There will be variations in the shading of colors and pattern formations which are the results of the hand-dipped process. Enamel Stainless steel  Green Collection  Hand-dipped Oven and Stovetop safe  Dishwasher Safe  Measures approx. 20" large tray, 2.25" deep Imported.