Lover's Cage is intricately designed, super-stretchy, comfortable enhancer with micro stimulator. Batteries included: 3 watch size to power up, 6 included. 3 inches long by 1.2 inches wide enhancer ring. 2.1 inches long by .5 inch wide stimulator vibrator. Safe and pure for body and pleasure. Phthalate free, non-toxic materials: Thermoplastic Rubber TPR enhancer, ABS plastic vibrator. Vibrating cock ring is waterproof for play outside the bedroom. Cock ring, prolong ring.