Wall Covering. a material, primarily paper-based, used for the decoration of interior spaces; it usually comes in rolls. Wallpaper was for a long time the traditional wall covering in such Eastern Asian countries as Japan and China.
Wall Covering. a material, primarily paper-based, used for the decoration of interior spaces; it usually comes in rolls. Wallpaper was for a long time the traditional wall covering in such Eastern Asian countries as Japan and China.