Approximate Size Diameter 6.5 cm Height 6.5 cm This Katakuchi is made of Poplar. Turned and hand carved, finished with Urushi Lacquer. Please note; this item is natural product, please avoid storing in sunlight and heat. Not suitable for dishwasher or microwave. Please use soapy water and a soft sponge to clean. Do not soak for long periods of time.