The material is unknown, but it's very thin and light (29g per piece). It appears to be a lacquer finish, possibly a "tame-nuri" (layered lacquer) style, and while simple, the glossy finish is beautiful and eye-catching. ※ This seems to be a different color variation of the same type as the green ones previously listed. You can search for "#SundayRecycle Chataku" to see them. ◆Size (cm)◆ 11.9 x 11.9 x Height 2.7 Box: 12.5 x 12.5 x Height 4.2 ◆Condition◆ There are paint chips in about 4-5 places (Photos 7, 8, 14, 15). There are also small scratches and scuffs like in Photos 5 and 6, water spots like in Photo 13, and other dirt. Plum Tray Craft Retro Showa Tea set Coaster Tame-nuri (layered lacquer) Lacquer Red-brown #SundayRecycle