Wallpaper is a decorative material used to cover and decorate the interior walls of homes, offices, and other buildings. It is usually sold in rolls and is applied onto a wall using wallpaper paste. Wallpaper can be made from many materials such as paper, vinyl, fabric, or even natural materials like cork, grasscloth, and bamboo. Wallpaper is available in a wide variety of colors, patterns, and textures, making it a great way to add style and personality to any room. Wallpaper can also be used to create a focal point in a room, or to hide imperfections in walls. It is also a great way to add warmth and texture to a space.