Life should be a happy balance of give and take and there's nowhere better then the bedroom for this to happen! Why not let the RO-Zen bring dual harmony to your intimate time, whether it's your guilty pleasure or shared with a partner, let RO-Zen take you higher! RO-Zen's strong tight double ring will support and hold you giving a larger, harder and more prolonged erection whilst its slender discreet shaft sends ripples of blissful vibrations to your bottom, while you reach the ultimate erotic state of pleasure. Materials: Platinum body safe silicone, metallic plated ABS. Dimensions: 4.75 inches by 5 inches by 1.75 inches. Power: RO-80mm Bullet Vibrator. Battery: 1 x 1.5 volt N-size / LR1 (Included).