Souarts 1 Box Mixed Antique Bronze Color 4mm 5mm 6mm 7mm 8mm 9mm Open Jump Rings Set Pack of 1510pcs There are 1510pcs open jump rings, including 500pcs with 4mm diameter, 300pcs with 5mm diameter, 250pcs with 5mm diameter, 200pcs with 6mm diameter, 100pcs with 7mm diameter, 80pcs with 8mm diameter and 80pcs with 9mm diameter The material of rings is alloy, and the material of the box is plastic