Our Max PR Ring provides a tighter fit for longer-lasting erections and more intense orgasms. Designed for men for who need a tighter fit to maximize hardness. Penoscrotal design loops around testicles and the base of your penis make it quick and easy to take it on and off. Keeps blood in the penis for increased hardness and sensitivity. In one study 85% of men with erectile dysfunction achieved satisfactory intercourse with the Performance Ring, and 100% of men who could achieve but not maintain an erection (Sato, 2026) Medical grade elastomer Water resistant Can be worn safely for up to ninety minutes Adjustable to your preferred tension Easy on, easy off with hook and loop design Phthalate and latex-free Compatible w/water-based and silicone-based lubricants. No natural oils One size fits most men (up to 6.5-inch girth) No tech/app Constriction rings are clinically designed to help maintain an erection rather than achieve one, and work best for men with mild to moderate erectile dysfunction. If your primary difficulty is achieving an erection a penis pump may work better.