This is a set of a wooden Go board and black and white Go stone containers. - Type: Go board - Material: Wood - Accessories: Black (181) and white (180) stone containers - Size: Approximately 45cm x 41cm x 22cm The black stones are made of stone. The white stones are made of shell. Many of the white stones are chipped. One of the stone containers has a crack. This item was purchased from a used goods store in the 1960s. It has been stored at home. Thank you for looking.