The Lifeline(R) Super Bands assist with pull ups and push ups or add resistance to explosive movements and lunges for the ultimate strength workout. Train Hard Continuous 80" loops made from super thick, super durable rubber Assists with pull ups and pushups Adds resistance to explosive movements and lunges Boosts intensity of presses, squats, and curls Easy to attach to benches and bars Safely add resistance without heavy weights Deepen stretches and increase flexibility Additional Details Bands sold separately 5 resistance levels available with approximate resistance levels: L1 - 25 lbs L2 - 35 lbs L3 - 50 lbs L4 - 75 lbs L5 - 100 lbs