Wireless cock ring is body safe elastomer and ABS plastic, the Pure Gold ring is easy to clean using warm soapy water or a good toy care fluid/foam. Compatible with any great quality water-based lubricant. Requires 3 LR44 button cell batteries, which are included. Waterproof.
If you don't want to use the vibration affect you can remove the bullet and just enjoy the ring. It's stretchy and soft and fits around the base of the penis or strap on very comfortably.
