Specialized Sealing Films are sealed on the six surfaces of the boards package. Thicker Corrugated Papers are packaged Six-Sides for protecting all of the faces and angles. Or Three/Five-Lays Plywood Boards are packed Six-Sides for resistance from outside.Toughness Packing Belts are strapping strongly on the outside of the Package. Stronger Wood Pallets at the bottom for making the Unloading easier for shipment receiving.