Roughness and delicacy are the expressive elements of CERAMIC LAB. Developed by working closely with craftsmen in traditional pottery villages of Japan, it is a fresh interpretation of Japanese tableware for the modern lifestyle. Knowledge and skills were inherited to develop the product —from the proportion of clay and glaze, to the sensitive transformations while firing that depend on temperature and humidity. Featuring the warm textures of clay, the humble designs give comfort to the user.​ ​ SPECIFICATIONS φ100 x H105 mm / 400 ml / φ4.0 x H4.2 in / 13.6 oz [Container] Porcelain Microwave and dishwasher safe Made in Japan Do not overheat in the microwave or heat without water. Wash with care. Do not use abrasive cleansers or steel Product size and shape varies in each item due to manufacturing process. Appearance of color glaze unevenness varies in each item. Some products may take on scorched-like texture on the surface. It is an unique glaze effect called "yo-hen", unintended colo