This set includes 5 pieces of elastic resistance loop bands made of durable stretchable rubber, coming with an instruction guide and a portable carry bag. They are ideal for home workouts, strength training, yoga and physical therapy. Different resistance levels meet different exercise needs, from beginner to advanced users. You can use them to enhance muscle strength in legs, hips, arms and core, improve flexibility, assist rehabilitation training after injury, and the compact carry bag allows you to exercise anytime anywhere whether you are at home, in the gym or traveling.