Apatite. Set of 2. Size: Approximately 4.5-5mm Inner diameter: 16cm ⚠️ The knot of the single rubber band is protruding. ※ Since natural stones are natural, there may be fine scratches or small dents, but this is due to their natural origin and is not a defect. Please purchase only if you understand this. Apatite Natural stone Power stone bracelet Power stone Bracelet 2800→2200→2000