(2) 5 lb weights for a total of 10 lbs Velcro straps Flexible design comfortably fits ankles or wrists Ideal for use indoors & outdoors in aerobics and sports A pair of 10 lb weights for a total of 20 lbs. Features: (2) 10 lb weights Velcro straps Flexible design comfortably fits ankles or wrists Ideal for aerobics and sports Can be used indoors or outdoors