Large opening for easy access Large opening for easy access [Features] Congress case can easily be used to store A4 sized documents and clear holders. Holds up to 300 sheets of copy paper, and the lid is designed to insert header paper, making it perfect for sorting and managing documents. Simply insert documents, and it can be used as a file by placing the case upright so that you can see the header paper. The lid opens wide so that you can smoothly insert and remove documents, making it easy to distinguish stored documents. In the office, it can be used for managing documents of conference materials and planning materials, and it can be used for storing A4 paper even in homes where printers are increasing.