Irresistibly thick and hard. the Excel provides a fit to the inner contours of a man's body. perfect for giving a strong massage straight to the p-spot. The smooth. durable material combined with the stainless steel roller perineum massager and external handle make it easy to use. Made from polypropylene. a non toxic plastic that is non-porous. smooth. rigid and waterproof. Shaft length is 4.3 in.. width is 1.26 in.