Exterior grade plywood ranging from 6mm to 24mm thick can be used as required.
Planed timber battens are used so that cases are strong, presentable, printable and reusable if required.
Plywood battens or bearers can be designed to avoid possible ISPM15 problems at customs.
Clip cases or bolted construction ensure ease of packing or unpacking. Additional metalwork can assist in lifting heavy loads or provide extra strength.
MOD quality packs are often varnished for extra protection if needed.