This silk gift cover showcases intricate patterns of 'kaioke,' the hexagonal container traditionally used to store clam shells for the ancient shell matching game called 'kaiawase.' The patterns appear to be painted, complemented by silk embroidery highlights. It remains in very good condition, albeit with minor staining present on both the front and back. The measurements come to about 26 inches by 27 inches (66 cm x 69 cm).