The Enhance Travel Pump System offers superior suction, even when the hose is removed, for the ultimate penis enlargement! The pieces disassemble and stack together for a compact fit in the included storage bag so it is easy to take this with you wherever you may go. A tapered donut in the cylinder provides secure suction while the hand pump features an easy grip contoured handle. Make your erection bigger, harder, and longer lasting with this easy to use system that delivers incredible results! Measurements cylinder when assembled is approximately 9.5 inches by 2.5 inches, cylinder stacked is approximately 6 inches by 2.5 inches. Material Pump handle is ABS plastic. Hose is PVC. Donut and enhancer sleeve are silicone. Travel bag is nylon, cylinder is SAN plastic.