... 3,material:PP plastic 4,OEM & DIY PP warning signboard advertising board 1.specifications: DescriptionPP Hollow Board / corrugated ... printing and screen-printing.Decoration:partitions, wall cladding, indoor or outdoor decoration, windows and false ceilings.Stationery and ... white,red,blue,yellow,green,blackPP advertising board for warning signboard appearance: (1) rich and varied colors, flatness.(2 ...