Check the listing for details. Optimale C Ring Thick. Condition: New. Listed at 27.54 USD. For Extra Thick results, look no further than the Doc Johnson OptiMALE 45mm C-Ring! Made of soft, stretchable silicone for easy use around the shaft or testicles, these cock rings are perfectly suited for creating the most optimal of erections, and prolonging ejaculation. Phthalate-free silicone. Inner Diameter: 2, inner Circumference: 6.28. Width/Diameter: 2.5". Circumference: 7.9". Shipping 100% Discreet Package Returns Every item is 100% brand new direct from the manufacturer (no exceptions). Due to health regulations, we DO NOT accept used items for return or exchange. We Only accept returns with manufacturer defects in the original packaging and unused. If a product is damaged or broken, notification must be received within the first 5 business days when the product is delivered.