Heavy-duty molded construction resists scratches, dents or chips. Unique sliding side rails on both shelves easily convert from a box top shelf to a flat top shelf. Molded handle and supply tray have built-in compartments to store supplies—even a cup holder. 400-lb. capacity. Shelves measure 28w x 22d. 4" rubber casters. Easy-to-clean textured finish. Easy assembly. 45w x 22-7/8d x 37-1/4h. Shpg. wt. 55 lbs. Assembly required.