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 rim  Green Collection  Hand-dipped  Oven and Stovetop Safe  Dishwasher safe  Measures approx.15.5" medium tray, 1.5" deep Imported.