Inner circumference approximately 16cm, with some margin of error. * If you wish to change the size (up to 17cm free of charge), please let me know after purchase. Larimar 9mm Button-cut crystal 64-facet cut crystal 6mm White chalcedony 6mm Mother of pearl 6mm Crystal 6mm Aquamarine 4.5mm White moonstone 8mm Aquamarine 8mm Double strand of Ope-lon elastic cord Larimar has a small flat area (see image 14). * The knots in the elastic cord are not secured with adhesive. If they come out, gently pull them 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. 87