Material: Metal Color: Silver Size: 6 * 3.3 cm/2.4 * 1.3 inch Net Weight: 170 g/0.37 lb/6.0 oz The diameter of the ball ring have 3 Size: 40 mm/1.6 inch (S) 45 mm/1.8 inch (M) 50 mm/2.0 inch (L) Package: OPP Bag