How to make a hard package for the background wall?

Hard bag: The wall decorated with wood, plastic, stone, etc. is called hard bag; Soft bag: Use artificial leather, wallpaper, wall cloth, brocade or higher-grade decorative cloth as the facing, and the inner It can be lined with wooden keels and fillers. It is often used in public places such as karaoke bars, hotels, and recording studios, and is also used as background walls in home decoration.