25 pairs (50 pieces). Size: Approximately 20mm x 18mm. Inner diameter of the ring: Approximately 2mm. I also have other items for sale, such as tonbo-dama (glass beads), ceramic beads, glass beads, hotaru-dama (firefly beads), kanzashi (hair ornaments), leather cords, spacer beads, and accessory parts. ◎ If purchasing only one item, immediate purchase is welcome (*^^*) ※ Please note that there may be scratches, slight variations in pattern/hole position, individual differences, burrs, and minor scratches due to the manufacturing process.