100% Real Picture Photography Feel soft and comfortable Waterproof can vibrate Double penis ring, bringing a mixed experience Increases strength of erection hardness, fixation of sperm delay Increase the feminine pleasure, to improve the quality of human life Reduce male sensitivity, prolong sex time Colour: Black Material: Silicone Bigger Ring Diameter: About approx. 3.3 cm/1.29 inch Small ring Diameter: About approx. 2.7 cm/1.06 inch