These famous prostate stimulators have an overwhelming reputation for being the best p-spot massagers ever invented. They were scientifically developed to massage the prostate gland and the perineum, which greatly enhances sensitivity and sexual function. Ergonomically designed to improve/ induce orgasms for men. Made from a firm medical grade plastic that is body safe and completely non-porous. Progasm has the most girth to its design and is considered the most advanced design in the evolution of male g-spot stimulators.