The Me You Us Large penis pump measures 8.9 inches and features a vacuum pump that works to enlarge your penis in length and girth. This penis pump also encourages healthy blood flow and keeps your penis in great shape. This pump comes with three sleeves, each a different size. This allows you to find your perfect fit. This penis pump is made from ABS plastic and the transparent design allows you to see the magic happen. This pump features a plastic shaft with a ruler as well as a pump with a pressure release trigger.