Dont forget to use your favorite water-based lubricant for an extra wet night, and care for your Beast Ring with a good toy cleaner, dry it thoroughly, and store it in a safe place. Remember not to wear the rings for long periods of time; if you feel uncomfortable, remove the ring. Features: Pack of 3 penis rings Flexible, body-safe materials Prolongs erections and enhances sex Dimensions (three identical rings): Inner diameter: 1.6 cm Outer diameter: 3.6 cm Thickness: 0.1 cm