The single most powerful and largest hydro penis enhancing pump in the world. The Bathmate Hydroxtreme 11 is for those men who have a larger manhood but still want it bigger and thicker. This penis pump is for more advanced users who have a manhood of over 9 inches long when erect. The Bathmate Hydroxtreme 11 has all the power and benefits if the original Bathmate penis pumps, but you can add more pressure with the added hand pump. The Bathmate hydropumps drastically increases blood flow to the penis, creating harder, longer lasting erections, making a real improvement to your sex life. Given the size of the Bathmate HydroXtreme11, we really have to recommend double checking your penis size before purchase. If you’re not the recommended size, you won’t get the full benefits of the pump (though we don’t think there’s much chance of anyone being too big for it).