Master Series Reverb Vibrating Nipple Suckers Black. These squeezable nipple suckers are topped with powerful vibrating bullets, for a rush of pleasure coupled with thrilling vibration! The pleasurable vacuum pulls the blood to the surface of their flesh, enhancing arousal and increasing sensitivity. The bullet vibes provide additional stimulation at the touch of a button. Just stick these sexy suckers to the nipples and get ready for fun, frisky, hands free arousal! Measurements 2.5 inches in length, 1.75 inches in diameter. Materials Thermoplastic Rubber TPR, ABS plastic. Color Black. Requires 6 tab batteries, included.