Leapair Exercise Ankle Resistance Loop Leg Bands For Yoga Fitness Workout, 5-10lbs, 10-15lbs, 15-25lbs, 30-50lbs Professional grade workout bands Used by trainers and physical therapists Unmatched durability and toughness Yoga Pilates, physical therapy, crossfit training, beachbody and all other exercises. Exercise for the whole family - choose the resistance to suite your workout. Combine multiple loop bands for more resistance.