premium workout bands are made of high-quality natural latex and durable nylon with high-strength and ultra-thick high-grade silicone You can adjust the tension intensity to suit personal goals by applying a single band or combining multiple bands Fitness Power is best for Professional Adults - Men - Women - Children - Kids - Boys and Girls looking for an Effective Calorie Burning, Muscle Building and Fat Shredding Workout Program heavy duty resistance bands set includes a door anchor and two ankle straps to allow you to perform the widest variety of resistance training Great for toning your chest, abs, biceps, triceps, quads, glutes, buttocks and more The Exercise Band Includes 5 color-coded premium metal clip workout resistance bands -10lbs, 20lbs, 30lbs,40lbs,50lbs, can be used alone or stacked in any combination up to a maximum resistance coefficient of 150 lbs In addition, this set comes with 2 cushioned soft-grip handles, 2 soft ankle straps, 1 door safe anchor and 1 carrying bag