The VX8 Premium Penis Pump System brings engorgement and heightened sensitivity to your penis. It comes complete with an airtight cylinder. silicone tubing. a pistol pump. and a quick release valve for your peace of mind. You also get a high-quality silicone cock strap to hold that engorgement in place. Plus the cylinder is detachable if you`re seeking to hold the suction while you play! The VX8 Premium Penis Pump is compatible and interchangeable with other Performance pumping accessories. It`s easy to assemble. easy to use. and easy to clean.Dimensions:Length: 9 in.Insertable Length: 8 in.Width: 2.25 in.