Finally, because transportation costs are determined by volume and weight, special reinforced and lightweight packing materials have been devised for exporting. Care in packing goods to minimize volume and weight while giving strength may well save money while ensuring that goods are properly packed. The overseas buyer usually specifies export marks that should appear on the cargo for easy identification by receivers. Many markings may be needed for shipment. Port of entry.
Legibility is extremely important to prevent misunderstandings and delays in shipping.
Letters are generally stenciled onto packages and containers in waterproof ink. Markings should appear on three faces of the container, preferably on the top and on the two ends or the two sides. Old markings must be completely removed. In addition to port marks, customer identification code, and indication of origin, the marks should include the package number, gross and net weights, and dimensions. If more than one package is being shipped, the total number of packages in the shipment should be included in the markings.