The VX8 Premium Penis Pump System brings engorgement and heightened sensitivity to the penis. It comes complete with a crystal-clear airtight cylinder, silicone tubing, a pistol pump, and a quick release valve for your peace of mind. The set also includes a high-quality silicone cock strap to hold that engorgement in place. Plus the cylinder is detachable to hold the suction while playing. The VX8 Premium Penis Pump is compatible and interchangeable with other Performance pumping accessories. Its easy to assemble, easy to use, and easy to clean. Extra features include gauge to measure progress and quick release valve. Penis sleeve not included.