CL1841 Color Library II Vertical Strings Wallpaper. Color library is non-woven material. The price shown reflect 1 double roll, double roll dimension 21 in X 33 feet that would cover about 57.75 square feet area. Key Features: unpasted, washable, strippable. Drop Match is radom and repeat is none.. The color of this paper is Beiges. Wallpaper, 750 Home, Color Library II, Beiges, Textures, Non-woven, Unpasted