Tough injection molded polypropylene with molded rubber isnerts on top.  Award-winning quality and durability! Lightweight durable dual injected plastic construction Gas and oil resistant Large stable foot print supports up to 550lbs.! Stand folds fully flat to 2 �? x 18? x 23? for easy storage and transportation Large platform with rubber injected non-skid molded top Large easy access functional drain hole Convenient built in carry handle