From Golden Rabbit , these bowls feature:  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. Set of 3 bowls with lids Enamel  Stainless Steel rim Green Collection  Hand-dipped  Oven and stovetop Safe  Dishwasher safe  Measures:8.75", 9.5" and 10.5" diameters, 3", 3.5 " 4.5" quart capacities Imported.