This resistance bands can be integrated seamlessly with every popular workout program including P90x, Insanity, Crossfit, Beach Body, Yoga, Pilates and more. These exercise resistance bands can effectively improve muscle strength, physical activity ability and flexibility. There are many additional uses for these elastic bands for workout too. It also help to get your shoulders, hips, ankle, knee, back injuries, arms and legs toned fast, free from the unpleasant accident of practicing heavy machines to reach the result, a much more safer way to get the benefits of the workout bands during daily walking, running errands, and working. Also perfect for women during pregnancy and after birth to keep shape. Even suitable for kids.