Enhance your pleasure with this dual-ring design featuring soft silicone and internal metal beads. Each ring is sized differently for a customized fit and comfortably stretches around the base of the penis and testicles. Engineered for maximum stimulation, it supports longer-lasting, firmer erections and heightened sensitivity. Rock Solid cock rings help boost size, thickness, and endurance—all with body-safe materials you can trust Unstretched Inner Diameter: 1.4 in. (36mm), Depth: 0.5 in. (11mm).