... low cost.(5) Weather resistant (UV, rain, typhoon, frost and so on)(6) Durable, folding, impact resistant, antiseptic.(7) ... Easy to clean and maintainUse: hollow board is widely used in packaging, stationery, ... Billboard.(2) Screen printing.(3) Exhibition booth decoration.(4) Display (indoor and outdoor)(5) Packaging box.(6) Cushion material, tray, ...