The Tantus Buoy C-Ring is a small-sized silicone ring designed to help maintain an erection for longer periods. Made from soft and stretchy silicone, this ring features a snug fit with an unstretched internal diameter of nearly 18 mm, offering a secure hold. The design aids in keeping the testicles down and minimizes contractions, which can help delay ejaculation. This hypoallergenic and body-safe ring is easy to clean, being both dishwasher-safe and bleachable. It is also nonporous and odorless, ensuring a safe experience. Color: Black. Manufacturer: Tantus.