For particularly explosive orgasms! Stronger erections and simultaneous stimulation of the prostate - that's exactly what this combined penis ring and plug can achieve. The penis ring and plug are connected by a narrow bridge. Simply slide the ring over the penis to enhance firmness while the vibrating plug pleasures the anal pleasure center. If that isn't an orgasm-inducing combination! Batteries sold separately (1 x AAA). Penis ring diameter 4 cm (stretchable), insertion length 7.8 cm, plug diameter 3.3 cm. Silicone, ABS. Penis and testicle ring with anal plug. With vibration. Waterproof.