Union Printed, Cord Winder, to wind a cable, you first fold it in half. The fold is then hooked onto the Winder, and, with a small tug, the Winder promptly winds up the cable with its spring-loaded action. Winds most types of chargers, USB cables, Earbuds, etc. Neatly coils excess cable length inside a compact 2″ x 2.75″ x 0.90″ plastic case. Small and very lightweight – perfect for business travelers and on-the-go students. Decorated in our Union Shop – Union Bug Available at No Charge!