1.Feather light, durability, flatness, rigidity. structural strength and moisture resistance, 2. Non-corrosive, non-toxic Features: 1.Feather light, durability, flatness, rigidity. structural strength and moisture resistance,2. Non-corrosive, non-toxic and chemical resistant, ]3.Easy to clean and maintain,4, color : white, red, blue, yellow, green, black ,etc.Application: 1, Advertising, ...