Document holders are tools designed to keep papers organized and easily accessible. They come in various forms, such as binders, folders, and clipboards, and are commonly used in offices, schools, and homes. These holders help protect documents from damage and make it easier to transport or display important papers. Many document holders are made from materials like plastic, cardboard, or metal, providing durability and flexibility. Some feature pockets or clips to secure documents, while others may have clear sleeves for easy viewing. Overall, document holders are essential for maintaining order and efficiency in managing paperwork.