The Bathmate Hydroxtreme5 penis pump operates with water and is designed for use with an erect penis measuring 7.6–12.7 cm. Its body is made of polycarbonate and has a diameter of 5 cm.

To use it, fill it with warm water and place it over the penis, pressing the pump against the pubic bone. Use is recommended for 15 minutes per session, 2–3 times a week, in...