These squeezable nipple suckers are topped with powerful vibrating bullets, for a rush of pleasure coupled with thrilling vibration! The pleasurable vacuum pul ls the blood to the surface of their flesh, enhancing arousal and increasing sen sitivity. The bullet vibes provide additional stimulation at the touch of a butt on. Just stick these sexy suckers to the nipples and get ready for fun, frisky, hands-free arousal! Requires 6 LR44 batteries, included.