Wallpaper is a decorative material used to cover and enhance the appearance of interior walls. It comes in various designs, colors, and textures, allowing homeowners to express their personal style. Typically made from paper, vinyl, or fabric, wallpaper can be applied using adhesive or paste. In addition to aesthetics, wallpaper can also provide practical benefits, such as hiding imperfections on walls and adding insulation. It is available in rolls and can be easily installed or removed, making it a popular choice for home improvement projects. Different types of wallpaper cater to various needs, including washable and peel-and-stick options.