This is a box my father-in-law bought from a catalog and didn't use much. It's a reddish-brown color. The material is bamboo, woven and lacquered, with Japanese paper with gold and silver leaf applied to the inside. Size: 28 x 21.7 x 4 cm It's lightweight. For those who want it, I can include the letter set from the 6th image; it all fits in the box. Thank you for looking.