The Hyunpoong Index Clear File is an office supply item with 20 sheets, designed to neatly organize and store B4 documents. It features a sleek black exterior and side index labels, making it easy to categorize and identify document types. This domestically produced item is durable and suitable for document storage and organization in various environments such as schools, academies, and offices. It is an essential tool for systematic document management, helping to create an efficient work environment through bulk purchases.