World Pride Heavy Duty Boltless Storage Rack with 5 Adjustment Shelves (3xTier Shelf) Material: powder coated rust proof steel galvanized steel, chipboard Adjustable shelf levels at every 4cm to fit a variety of items. Heavy duty steel frame and has been powder coated to give it the extra special look One unit has a load capacity of 330.69Lbs per shelf (evenly distributed) giving a total loading capacity of 1653.45Lbs Overall size(per unit):27.6 x 11.8 x 59.6"