Inner circumference: Approximately 15.5cm, with some margin of error. * If you wish to change the size (up to 17cm free of charge), please let me know after purchase. Aquamarine (tube-shaped) Larimar 8mm White Moonstone 8mm Button-cut Crystal 64-facet Cut Crystal 6mm Aquamarine 6.5mm Aquamarine 4.5mm White Jade 6mm Double-strand Ope-Ron elastic cord * The knots in the elastic cord are not secured with adhesive. If a knot comes loose, gently pull it back in from the opposite side of the stone. The stones may have small scratches, inclusions, color variations, dents, and natural cracks. This is handmade by an amateur, so please refrain from purchasing if you are looking for perfection. 72