Get ready to have a ball with The Crown Jewels! This dual density vibrating swinging balls by King Cock Elite feature silky soft Elite Silicone on the outside, firm vibrating balls on the inside, and a super stretchy c-ring that works great with most dildos, vibrators, and even cocks! The two vibrating balls offer 10 modes of powerful vibration and turn any dildo into a rabbit vibe. Using the swinging Crown Jewels as a c-ring, adds a new level of vibrating and ball-slapping fun to your love life. These vibrating balls are a must-have for any royal collection! Turns any dildo into a rabbit vibrator! Adjustable position = made for you High Quality Elite Silicone Two powerful vibrating motors Swinging action Stretchy c-ring Total Height: 4.3" (10.8 cm) Total Width: 2.7" (6.8 cm) Total Depth: 2.3" (5.8 cm) Ring Diameter Outer: 2" (5.1 cm) Ring Diameter Inner: 1.4" (3.5 cm)