Optimize your experience with these silicone cock rings! The OptiMALE Thick C-Ring Set provides enhanced size and girth with three rings in 40mm, 45mm, and 50mm 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. Available in Black and Slate; made from phthalate-free silicone.