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. It can be printed with a variety of patterns and colors, and can be used to create a variety of looks, from classic to modern. Wallpaper is a great way to add texture, color, and personality to any room.