The Ring O is a super-safe super-stretchy cockring designed to comfortably fit all sizes and stay snug during even the wildest sexual encounter. The simple design keeps his erections stiff and strong and by letting blood flow more slowly to the member he will stay harder longer and give him a powerful orgasmic release. Just stretch the ring onto the base of the penis and watch it grow for longer lasting more satisfying sex for both partners. One-size-fits-all cockring for harder erections Place ring on base penis. Stretch for a secure fit. Clean before and after each use.