From Golden Rabbit, the Enamelware Swirl Salad 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 4 salad bowls Enamel steel Stainless steel rim Swirl collection Hand-dipped  Oven & stovetop safe Dishwasher safe Measures approx. 5.5" W x 2.5" D Capacity approx. 3 cup Imported.