Perfect Fitness Perfect Bands, Medium Heavy: * Up to 20 lbs of resistance * Versatile, cloth loops help you attach almost anywhere * Combine multiple bands to adjust resistance (up to 145 lbs) * Door anchor helps turn your doorway into a gym (sold separately) * Handles with comfort grips (sold separately) * Includes: 1 resistance band (up to 20 lbs of resistance) with cloth loops, quick start workout on the back of the package and additional, downloadable circuits