The Tantus Buoy C-Ring is a medium-sized silicone ring designed to enhance performance by keeping the wearer harder for longer. With an unstretched internal diameter of 22 mm, it ensures a snug fit while its soft and stretchy silicone material provides comfort. This ring works by keeping the testicles down and preventing contraction, which helps to delay ejaculation and prolong erection duration. Cleaning is straightforward as it is top rack dishwasher-safe and can be bleached for sanitation. The material is hypoallergenic, nonporous, and odorless, ensuring a body-safe experience. Color: Crimson. Manufacturer: Tantus.