A small lacquer box is an item typically made of wood and coated with a glossy, black lacquer finish. It is often used to store small items such as jewelry or trinkets. The term 'INRO' is a four-letter acronym which stands for 'Inrō, ' a traditional Japanese form of art that involves the use of small, decorative boxes. Inrō boxes are usually made of wood and decorated with intricate designs, and they are often used to store small items such as jewelry or trinkets.