Wood Mug Urushi Black & Wood Mug Urushi White These wooden mugs are designed with inspiration from the Takayama Jinya, and are finished with lacquer. Each one is carefully crafted by artisans in Hida-Takayama. Please enjoy your coffee while feeling the skill and passion of the artisans embedded in the design. Due to the lacquer finish, do not use in the microwave or dishwasher. This is a black mug!! This is a new item for sale.