Improve your erection with this Frohle Penis Pomp Professional. This pump features a grip pump that can pump up to 6060 Mbar (millibar). It can significantly improve male potency with regular use. In some cases, it can also help with erectile dysfunction. This penis pump is transparent so you can keep a close eye on how things are progressing. The flexible material makes for a comfortable fit. This model is great for both beginners and more experienced users. The penis pump includes a connecting hose, valve and ball pump and is easy to clean. The sleeve is 18 cm long with a diameter of 4.5 cm.