This set of five resistance bands with handles is perfect for exercise and strength training. The bands come in various sizes from 3lb to 40lb and are made of nylon sheath and rubber material. The resistance bands are designed for full body workout and are covered for safety. The FitCord brand resistance bands are suitable for both indoor and outdoor use and are ideal for gym and training, general fitness, weight loss, weight lifting, and yoga. The set includes resistance bands for the chest, legs, glutes, shoulders, arms, back, biceps, abdominal, thighs, and full body. This product is American made and weighs 6lbs.