... Appearance : rich and varied colors, flatness.5) Light weight, good toughness, durability, rigidity, high tensile strength, moisture resistance, recycable ... , PP hollow sheet can be used as advertising board, show board, brand mark, light box board, etc. 4) ... of transportation box, mailbox, display rack, partition, gift boxes, food packing etc. 7) Advertising: Sign board, shopwindow displays, pop ...