Optimize your experience with these silicone cock rings! The OptiMALE Thin C-Ring Set offers enhanced size and girth with three rings in 32mm, 37mm, and 42mm diameters. These rings are ultra-stretchable for easy use around the shaft or testicles, maintaining those long-lasting erections you’ve always dreamed of, and prolonging your ejaculation, phthalate-free silicone.