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. 16 piece dinnerware set, service for four, includes (4) each of: 10-1/2 inch dinner plate, 8 inch salad plate, 5-3/4 inch diameter x 3 inch high (21 ounce) soup cereal bowl, and 11 ounce mug. Microwave and dishwasher safe.