Rock-hard ultra-sensitive nipples and heightened arousal are just a touch away. With the push of a button the suckers adhere perfectly to the skin with a strong automatic suction seal for hands-free funjust place the transparent cups over each nipple power on and watch them grow. Powerful multi-function vibrations with separate controls for each cup raise the intensity even higher while simple controls make them incredible for solo or partner play. Requires 2 AA batteries not included. Measures 2.25 in. wide.