The Bathmate Hydro 7 is our original and longest selling penis enhancer, as used by thousands of men all over the world. Designed to be used in the bath or shower, it utilises the incredible power of water to increase the length and thickness of your penis. Bathmate Hydro 7 (size Medium): The original and longest selling hydropump to help men get bigger, thicker, cum harder, last longer, and reduce E.D. This pump is ideal for most average-sized men up to 7.5? in length (erect) and up to 2? in girth (erect) measuring left to right at the widest point. Effective. Economical. Reliable. Bathmate is the world's best selling penis enlargement device, but with many additional benefits. In addition to providing you with a larger penis, regular use helps you keep your penis in top health, leading to harder, longer lasting erections and increased sexual satisfaction: a real boost to your self esteem and sexual confidence.