Go stones and go stone container Go stones (white) Because they have white lines, they are likely made of clam shell. Go stones (black) Judging from the color and feel, they are likely Nachiguro stones. Thickness: 0.8 cm Diameter: 2.3 cm Measurements are approximate. I have not checked the number or condition of chips. Although they have been used infrequently, some may have chips or cracks. Go stone container Height: Approximately 8 cm Diameter: Approximately 14 cm Measurements are approximate. The box is deteriorated. Please let me know if you do not need it. You can purchase immediately. Please understand that these are used items before purchasing.