IThe hypoallergenic glass is nonporous and body safe, and when cared for properly, is designed to last a lifetime. Since glass is nonporous, cleanup is a snap. Probe can safely be used to stimulate the g-spot, vagina in women and p-spot, prostate in men. Non-vibrating probe measures 7.5 inches long by 1.5 inches wide with a girth of 4.75 inches. Probe can safely be used to stimulate the g-spot, vagina in women and p-spot, prostate in men.