Size: 7mm Inner Diameter: 16cm Thank you for viewing. You can wear it for purification, healing, and as a protective charm. We will purify it before shipping. [About Shipping] - We will carefully package and ship via anonymous delivery. - We usually ship within 3 days. [Please Note] - Due to the nature of natural stones, there may be individual differences in color, pattern, and size. - There may be small scratches or inclusions. Please enjoy it as a natural characteristic. - The color may appear different depending on your monitor. [Finally] Please feel free to ask if you have any questions! We hope you like it \ ♪♪ / Thank you very much.・*’’*・.♬