RingOs by Screaming O are stretchy cock rings designed to enhance erection strength and endurance. Made for simple use, these rings help restrict blood flow to maintain a harder erection for longer periods. Users can easily stretch the RingOs around the penis and testicles, positioning it snugly at the base. The snug fit may also contribute to increased sensitivity during use. Additionally, RingOs are reusable; simply wash with soap and warm water for easy maintenance. With a waterproof design and phthalate-free materials, these cock rings offer a practical and effective solution for those seeking to improve their intimate experiences. Color: Blue. Country of origin: China.