Color:black size:33*24*4cm Material:plastic 1. Easy to sort and find: Our extension folders are designed with expandable pockets that fit neatly into sorting all different files. TAB inserts provide tabs for each pocket, so you can find the paper you need quickly and easily. Tidy everything up and say goodbye to the mess! 2. Ample storage: Separate pockets. This foldable folder can be extended enough to hold 300-500 sheets of letter paper and A4 sized paper. It's big enough to store all your files without piling up. 3. High quality: Our accordion file cabinet is made of plastic material, which is strong and wear-resistant and not easy to break and deformation. The folder organizer is waterproof to keep your important documents clean. The simple and stylish appearance is for better visual experience. Ideal for long-term use. 4. Safe and unique design: The document organizer features an elastic rope to close the flap, keeping all the documents inside and not easily falling off. It's much safer to carry this expandable folder from one place to another. Provide two rear card slots for business cards, item titles, etc. 5. Extensive use: Our handheld file cabinet can store important documents such as letters, A4 paper, assignments, receipts, invoices, birth certificates, contracts, etc. Ideal for school, office, home and travel use, or as a perfect gift for teachers, students, engineers, designers, office workers who are looking for a nice uncluttered workspace!