Resistance Levels from 50-120 lbs (23-54 kg). Completely Customizable to Your Needs * Great As Assisted Pull Up Bands, Weight Lifting Bands, Pilates Bands and Flex Bands * Substitute or Supplement Your Entire Gym Workout. Over 150 possible exercises. * 100% Satisfaction Guarantee With 60-Day Warranty * Our pull up bands are manufactured as a durable continuous 15-layer thick strip of rubber. Most durable band ever made