Rocks Off Poseidon Vibrating Cock RingThis firm, yet flexible cock ring is perfect for solo use or to share with a partner. It can increase sensitivity and the vibrations can be shared together. 10 powerful vibration settings are yours, and the removable bullet is waterproof for many different options! Each Dr. Rocco product is finished in a unique metallic silicone, which is not compatible with alcohol based toy cleaners. Dr. Rocco's own personal Toy Cleaner can be purchased separately.