Stone size: Approximately 8mm Inner diameter: Approximately 15cm This is a gentle-feeling rabbit with a small inner diameter of 15cm. Thank you. Please examine the photos carefully and make your decision. Immediate purchase is welcome, even if the item is currently under negotiation. If you wish to negotiate a price, please state your desired amount in the comment section first (⁠ꈍ⁠ᴗ⁠ꈍ⁠) Thank you.