Stackable for up to 100 lbs. of resistance. The ultimate set including a door anchor and two ankle straps for the widest range of resistance training. Perform a full body workout with the BodyPro 11-Piece Resistance Band Set to strengthen the core and isolate specific muscle groups. Ideal for adjusting limbs, hips, buttocks, abdominal muscles, biceps, triceps, legs and knees. Suitable for a variety of exercise programs.