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. Microwave and dishwasher safe. 16 piece dinnerware set, service for four, includes (4) each: 11 inch dinner plate, 8-3/4 inch salad plate, 6 inch (23.5 ounce) soup cereal bowl and 16-3/4 ounce mug.