1. Double layer design: Our folders adopt a double layer design, which is convenient for sorting and placing items, and reduces debris. The zipper is durable and smooth, not easy to break, preventing leakage and loss of your important paper or documents 2. Mesh Bag Design: The zippered mesh bag is made of ultra-light nylon mesh, allowing you to see through the items in the briefcase without searching. 3.Convenient handle: Our mesh zipper bag features a durable and soft handle design for easy carrying 4.Widely used: These file bags can be used for meetings, offices, schools, families, and travel, as well as storing documents, meeting records, pens, bills, cards, various stationery, notebooks, etc. 5. Package includes: 4 file bags. Size: 33.5 x 25 cm, large enough to accommodate approximately 150 sheets of A4 paper or other items smaller than A4.