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 mixing bowls with lids Enamel Steel Stainless steel rim Solid Textured Collection Hand-dipped  Oven and Stovetop Safe Dishwasher Safe Each Measures  Small approx. 8.75"diameter / 3-quart Medium approx. 9.5"diameter / 3.5-quart Large approx. 10.5"diameter / 4.5-quart   Imported.