Heavy Duty Resistance Bands SetFEATURES 1. 5 Exercise Bands of Different Power Levels: 5 different colors pull up bands with clear weight indications: yellow 5 15LB, red 15 35LB, black 30 60LB, purple 40 80LB, green 50 125LB. You can use only 1 band or 2 different bands at one time so as to get the power level you want while doing pull ups or daily workout. 2. GYM Assistance & Daily Workout: The Strength Heavy Duty Pull Up Assist bands kit is not only perfect for GYM assistance,