This product has a top shelf that has lips down with a bottom shelf that has lips up. The rubber mat on top and bottom provides durable, non-skid surface. It ships fully assembled with a durable, textured powder coat finish and a 1,200 Lbs. capacity. Overall Dimensions (In.) LxWxH: 42.25 x 24.25 x 55.8125 For industrial storage items, a signature will be required to accept the delivery. If the item is not acceptable condition, sign for it as damaged or refuse the shipment. Please visit our Shipping Policy for further information.