The Ringo`s Super-Stretchy Gel Erection Rings are made of a hygienically superior silicone material and are designed to produce fuller. firmer erections and help control premature ejaculations. This in turn leads to a very intense orgasm for him and a more overall satisfying sexual experience for both.The RingOs are available in three different colors red. gray and blue. - Fuller. FIRMER Erections - More INTENSE Orgasms - Helps Control Premature Ejaculation - Hygienically Superior Silicone Material - Snug. Yet Comfortable Fit - Available in 3 Colors