3 Sakura Agate Inner diameter: 16.5 cm Approximately 12.3 mm If you would like inner diameter adjustment or transparent thread, please send a message. Please understand that we cannot make the inner diameter larger. Returns are not accepted. We are also selling on other platforms, so we may have to cancel your purchase. (つェ⊂) The price does not change even if the inner diameter is adjusted. We will also include the extra beads. Thank you very much! Material: Natural stone Bracelet/Bangle: Bracelet