All weights and accessories made by solid steel construction. Plate Racks the other one used to holds standard 1" whole barbell and dumbbell plates. And Weight Lifting Belts are padded for players comfort. Rack set is constructed of heavy 12 gauge steel. At proboxinggear.com you can find all ranges of boxing accessories like punching bags, boxing gloves, shoes, training apparel, cheap boxing rings, handwraps, etc...