Document holders are essential office accessories designed to organize and keep paper, files, and other documents in order. They can be made from various materials such as plastic, metal, or wood, and are available in a variety of shapes and sizes, suitable for different needs and workspaces. Document holders can be simple with a single level or more complex with multiple levels or compartments to allow for quick access and organization of necessary documents. Using these holders helps maintain an organized desk and improves workflow efficiency.