The Bathmate Hydromax X20 is the ultimate male hydrotherapy pump designed to be used in the shower or bathtube. Utilizing the amazing power of water Bathmate Hydropumps give the user an erection in a completely safe, controllable manner and remain the most sophisticated external penile rigidity devices available. Manufactured using state of the art dermatologically tested materials Bathmate Hydropumps are certified as skin safe, latex free, and phthalate free. Perfect for intermediate pump uses. X20 fits max erect girth of 5.5", and offers max growth of up to 7.5" total. Blue.