For Extra Thick results, look no further than the Doc Johnson's OptiMALE 40mm 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.

Inner Diameter: 1.7", Inner Circumference: 5.33".

Width/diameter: 2.30".

Circumference: 7.20".