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. Each service includes: 11-1/4 inch dinner plate. 8-3/4 inch salad plate. 6 inch diameter x 3 inch high (26 ounce) soup cereal bowl and 14 ounce mug. Microwave and dishwasher safe.