Amsana&trade; Exercise Resistance Loop Bands Set of 4- Including Instruction Sheet for Workout Session and mesh bag-(Perfect for Yoga + Physical Therapy + Cross Fit Training & All Other Individual Workout Sessions &ndash;Perfect for Home Gym for Men and Women) HIGH QUALITY MATERIAL USED  finest quality latex to make sure they last a lifetime without snapping 4 RESISTANT LEVELS  exercise for the whole family - choose the resistance to suite your workout. Combine multiple loop bands for more resistance. USE IN MULTIPLE WORKOUTS  Yoga Pilates, physical therapy, crossfit training, beachbody and all other exercises. COST EFFECTIVE PATH FOR YOUR DREAM BODY tone up your muscles for just a few dollars! COMPACT - mesh case will fit in any small pocket etc.