Crafted of Stoneware, featuring a reactive glaze. Due to the nature and hand-crafted qualities of reactive glaze, no two pieces are exactly alike and will exhibit unique variations in color and pattern. Product may slightly differ from image shown. 20 piece dinnerware set, service for four, includes (4) each: 11 inch dinner plate, 8-1/2 inch salad plate, 6 inch appetizer plate, 8-1/4 inch diameter (16 ounce) soup cereal bowl and 12 ounce coffee mug. Microwave and dishwasher safe.