Make sure this fits by entering your model number. Burn fat and build muscle: Resistant band training are extremely effective at burning fat and increase muscle strength, and also help you increase coordination, boost stamina, flexibility, range of motion, exercise different muscle groups, such as shoulder, arm, leg, butt, booty, and etc. Perfect for all whether beginners or expert, boys or girls, men, women or children. Versatility, make fitness simple: While free weights(barbells, dumbbells, kettlebells) have long been a fixture in gyms and weight machines are stable and easy to use, neither has the versatility of the resistance bands. 5 bands can be used alone or stacked in any combination of intensity from 10lbs to 110lbs. With attachable handles, ankle straps, door anchor, you can choose different training methods for building strength.