Penis rings are the simplest way to get harder, longer lasting erections for your play time. Experience multiple sizes & possibilities with this 3-piece set! Slip one ring (or more) over the tip, slide it down your shaft to the base of the penis. This constricts blood flow to let your member swell -- and stay hard! Designed for comfort, these stretchy & durable rings are made from super-soft silicone that moves with you for a truly pleasurable feel. Body-safe & easy to clean! Five Year Warranty.