This product is molded from clear polypropylene resin which permits the visibility of contents. It has heavy duty reinforced hinges and patented positive stops that allow the cover to be opened wide or remain in the upright open position. The two positive snap latches keep the boxes securely closed and the cover overlaps the sides to keep out dust and dirt. Overall Dimensions (In.) LxWxH: 13.125 x 9 x 2.3125 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.