★ The tube of the penis enlargement pump is made from clear, thick, heavy grade polystyrene and marked with both metric and US standard graduations to measure your growth.
★ With the manual elastic negative pressure ball, you can easily control the suction power inside the tube and work your way up to your desired erection and satisfaction.
★ You will be able to monitor the amount of pressure inside the transparent cylinder of the cock pump by reading the gauge at the top, ensuring you can keep track of the progress you make.
★ The soft and durable sleeve forms a tight seal against the skin and allows for a powerful vacuum inside the chamber.
★ The pump can be used to massage your body as it creates a vacuum environment around your penis to promote blood flow and encourage an erection.