Function: Prostate Massagers With Cock Ring Color: Black Plug Size: 10.5 * 3 cm/4.1" * 1.2" Ring Dia: 3 cm/1.2"  4 cm/1.6" Net Weight: 62 g/0.14 lb/2.19 oz Power: No Material: Silicone Package: OPP Bag Further: Non-toxic Material