Product Size: Diameter 5.1 inches (13 cm) x Height 3.3 inches (850 ml) (1.5 sizes of rice cooking); Weight: 21.3 oz (600 g); Material: Special ceramic earth (natural mineral only); Country of Origin: Japan; Box Size (paulownia box): W 7.9 x H 7.9 inches (20 x H 20 x H 15.5 cm); Safe / Microwave safe; Freezable; Dishwasher safe Boning Available/Sheath. No need to worry about needed; Metal scrubber; Detergent acceptable; Heat resistant; Due to handmade nature, there may be individual differences