Material: MetalColor: SilverBall Dia: 25 mm/0.98 inchWeight: 90 g/0.19 lb/3.1 oz  Cock Ring Dia: S:  25 mm/0.98 inchM:   28 mm/1.1 inchL:    30 mm/1.2 inchXL:    32 mm/1.25 inchXXL:    35 mm/1.37 inch3XL:    40 mm/1.57 inch