DescriptionMade of premium silicone material, this penis ring vibrator is easy to put on and take off, and flexible, not easy to deform, can help to promote erection, longer lasting time, more pleasure.Features-Color: Black-Material: Silicone-Size: 9.50X5.50X5.00cm/3.73X2.16X1.97in- Made of material for lasting use.- and flexible, not easy to break or deform.- Waterproof design, can withstand fluid, easy to clean after use.- With protruding point to stimulate perineum during sex, sexual pleasure.- Double ring design, fasten penis and testicle for time delay.