... .surface smooth,waterproof,durable,UV,sign boards,custom size,shape plastic corrugated sign board material,corrugated plastic signs ... light weight properties of corrugated board which is widely used in packing, advertising, decoration and stationery. Features: 1 ... , partition, gift boxes, food packing etc. 2. Advertising: Sign board, shopwindow displays, pop-up displays, exhibition boards, picture ...