Stay hard. Get hard. The Macho Stallions Pulsating Erection Keeper super stretchy enhancement ring for both couples. Super stretchy cock and ball ring. For extra stimulation and super orgasms Ring provides for testicular and clitoral stimulation. Easy to operate. Push button power control. 7 powerful functions. One touch on/off. Vibrating clitoral stim-u-nubs. Waterproof vibrations for play outside the bedroom. Waterproof sex toys with this designation are safe for use in the bath or shower. Do not submerge for long periods of time and take care to thoroughly dry after each use. Vibrating sex toy requires 2 AG10 batteries, included. Made using phthalate free, non-toxic materials Thermoplastic Rubber TPR, SEBS. A water based lubricant is recommended. Ring measures 2 inches long. Cock rings when worn around the base of the penis and testicles, many users find that cock rings increase sexual pleasure. Prolong rings, erection enhancement, climax control rings, cock rings. Always clean before and after use.