Function: Sex Delay Ring Color: Black Size: 10.8 * 5.2 * 4.2 cm/4.2  * 2.0 *  1.65 inch Ring Dia: 2.8 cm/1.1 inch Net Weight: 24 g/0.05 lb/0.84 oz Power: No Material: Silicone Package: Color Box Further: Soft/Adjustable Package Size: 6.5*6.5*2.5 CM