Spartacus 1.5" Nitrile Cock Ring Set - Asst. Colors Pack Of 5 Spartacus $13.00 / Default Title Default Title Add to Cart Your Email Send This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply. Colorful, flexible Nitrile cock rings from Spartacus are the perfect skin-safe solution for those with rubber allergies, and they offer a firmer experience than our rubber rings.