WPC signboards: 1)Crack resistant,protected by UV-inhibitors so it is long-lasting and anti-aging 2)Waterproof 3)Carved words Thanks for stop by our site.WPC signboards features:1)Made from HDPE plastic granule and Natural fiber flour,and there is some other additives which can add durability and weather resistance to the material.2)Eco friendly:toxic free,no any harmful chemicals,100% recyclable ...