Light box cloth is made of PVC materials and mesh light fiber, has good flexibility, pervious to light evenly, easy to split, splicing, checked, outdoor installation simple features, especially suitable for color prints. According to the requirement of the outdoor use, light box cloth can achieve the waterproof, mildew resistant, flame retardant, cold heat, uv etc. Due to the typhoon resistance strong light box cloth, therefore, is especially suitable for making large outdoor advertising signs. At present, China 95% of the market, large color prints light-box picture is to choose light box cloth as the substrate.