... ,red, etc 5. Available: Conductive corrugated sheet/board, Antastaticcorrugated sheet/board, Flame-retardant corrugated sheet, etc. Advantage of ... kinds of transportation box,mailbox, display rack, partition, gift box, etc. 2. Display/Advertising: The surface of polypropylene ... . it iswater/heat-proof suitable for indoor/outdoor display board/advertisement. 3. Protection/buffer: the hollow structured ...