DATA SHEET Diameter (cm) 3,3;3,8 Battery 3 x LR44 Length (cm) 12 Color Black Material Silicone Special feature vibrating, waterproof MORE INFO The Extreme Silicone Power Cage is the ultimate erection enhancer! With this cock cage wrapped snug around every inch of your manhood, you'll maintain rock hard erections and prolong the fun while you stimulate your partner. The ball strap prolongs ejaculation for explosive climaxes, while the cage leaves your cock open to feel every sensation and still enjoy the natural touch of your lover. You'll enjoy thick, throbbing erections and your partner will love the cage's added sensations.