The EconoCuff is an ideal addition for physical therapy, running, walking, biking, cardio, aerobics, fitness training, yoga, Pilates, dance and so much more. Meant to be worn, the weights are portable and can be used during any type of workout. The EconoCuff lets you add resistance to standard exercises for deeper workouts that have more impact. These weights are a perfect addition for any rehabilitation routine because of their flexibility and adjustable design. This is thanks to the 2 hook and loop fasteners which assure a secure and comfortable fit that won't slip, allowing users to exercise in confidence. The weights contour around ankles, wrists and even thighs.Compared to the Original Cuff Weight, the EconoCuff features a shorter strap and is made of a 80% nylon and 20% polyester material. The EconoCuff offers 8 color-coded ankle and wrist weights ranging from 1 lbs. all the way up to 10 lbs., making them versatile for most strength levels. This is a Blue Cuff that weighs 4 lb. Multiple weight options mean workouts are adjustable, customizable and personalized. EconoCuff weights are so comfortable and convenient, you can even wear them under clothes. Heavy-duty materials and double stitching ensure the weights hold up even after the toughest of repeated workouts. The EconoCuff features a single grommet, great for hanging on any peg-board weight racks, making it a must-have addition for home gyms, clinics and fitness centers.