Ripcords Heavy Tension 3 Pack includes: Red Ripcord Blue Ripcord Black Sniper Ripcord Door Hook Circuit7 Ripcords DVD (with beginner and advanced workouts) Ripcords resistance bands work the whole muscle, including the stabilizers where free weights and machines cop out. This means you get a healthier, stronger, look and feel. Resistance training with bands and tubes has long been the physiotherapist"s answer to torn rotator cuffs, bad knees and general rehabilitation. Ripcords uses the same tension training principles but takes them to another level by applying them to a fast and effective total body workout. You don"t need to wait for an injury. Using Ripcords, you can look and feel better than you would with traditional weights, while protecting your body at the same time. In addition, Ripcords are completely portable, so you can workout anywhere. Combine that with Michael McDonald"s Circuit7 routine, allowing you to get the benefits of a 40 minute workout in 7 minutes, including cardio and it is clear that Ripcords are the ideal choice.