Made of cool, comfortable neoprene, these weights are ideal for adding a little extra weight to your workout. Fits easily around wrists or ankles. Velcro fastening. Sold in pairs. Versatile enough to use anytime including aerobics, walking, jogging or other forms of athletic workouts. Great For Building Srength and Speed in arms and legs. Increases Power In punches and Kicks Please note these are sold as a 25lbs set so each leg weight is 12.5lbs each.