Inner circumference approximately 15.5-16cm, with some variation. *If you wish to change the size (up to 17cm free of charge), please let me know after purchase.* Madagascar Rose Quartz 9mm Button-cut Crystal Crystal 6mm Peridot 4mm Orange Moonstone 6mm New Jade 6mm Aquamarine 4.5mm Purple Rose Quartz 8mm Lavender Amethyst 6mm Larimar 8mm Double strand of Ope-ron rubber *The knots in the rubber are not secured with adhesive. If they come loose, gently pull them back in from the opposite side of the stone.* The stones may have small scratches, inclusions, color variations, imperfections, and natural cracks. This is handmade by an amateur, so please refrain from purchasing if you are looking for perfection. 89