This vibrating strap-on has a firm, fully erect shaft that is constructed out of a durable jelly material that provides a deep and erotic pleasure. The 1 3/4" diameter shaft has a partial hollow core and is 7" long, which lets your man insert his cock, allowing for the longest erections ever! Inside the tip is a powerful vibrating motor that provides exciting stimulation to the both of you. The Faux Leather Harness is soft and comfortable, adjusting to most sizes. The Powerful Battery Pack has 5 variable speeds to satisfy every sensual desire. Requires 2 AA sized batteries, not included.