Whether you're looking to increase your vertical jump or gain speed, agility and power, the Portable Power Jumper is a great tool. The Power Jumper is unlike any other platform or weight-based jump trainers because it doesn't increase strain and damage to your knees, and it is portable - allowing you to train anywhere and incorporate agility and hand-eye drills into your training program. The Portable Power Jumper adds an average of 8" to participants' vertical jump and 12" to their broad jump. Portable Power Jumper comes with: - 2 5' R4 resistance cables with foam cushioned padding - 2 3-in-1 cable pocket stirrups - 1 DVD