Purrfect Pets Vibrating Cock Ring Butterfly Magenta Pink. Safe for all skin types. Made using phthalate free, non-toxic materials. Silicone ring, ABS plastic bullet vibrator. Vibrating ring gives super powerful vibrating action, one size fits all penis ring, and comes in magenta or purple. Playtime never felt so good! A water-based lubricant is recommended. Vibrating cock ring requires 3 AG13/LR44 batteries, included. 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.