Oxballs Ultraballs 2pc Cock Ring Set Blue / Black - Cock & Ball Toy ULTRABALLS is everything you loved about the original POWERBALLS design but stretchier, rubberier and even more bang for your buck. ULTRABALLS is made from our signature FLEX-TPR and designed to grip n’ bloat your meat just right. The underside of the each ring has blubbery dual nodules that work as pressure points to keep your cock rigid and ready to go. Best of all, ULTRABALLS pushes your package up n’ out for a beefy bulge that’s sure to turn heads. FLEX-TPR safe, non-toxic…and phthalate free