【Expandable Binder Folders】The binder pocket size is 12.2'' x 9.65''(31cmx24.5cm), the 3D design can be expandable to 0.8'', easily holds more than 200 A4 pages/letter-size paper. Storing and sorting your documents, stationery, charts, invoices, receipts and bills, letters, photos and more. 【Efficient Classify & Search】The Binder Pockets are transparent, and with snap button & label, you will keep contents visible and makes finding items so easy without opening your document pouch, help sort things out, find things quickly. Binder folder is a sensible investment for anyone who wants to make their life easier and more efficient. 【Durable & Water Resistance】Our binder document folder made of super durable polyethylene material. Use hot pressing technology to make the edge sealing stronger stitching, stands up to frequent use, waterproof and stain-resistant. Protect your files from moisture, keep them flat and clear. 【Practical and Portable】11 Holes punched binder pocket dividers can fit for 2/3/4 ring binder. Designed with a hook and loop fasteners closure, binder folders can be stacked neatly for saving space. Ideal for storing documents, checks, receipts and bills, letters and photos etc. Keep your items organized and help you sort the clutter, perfect for important documents and small office supplies. 【Multiple Function】Widely used in school classrooms, families, daily work, offices, travel and business trips. Suitable for daily filing and storing of documents on desk and shelf top use, making all your files simple to retrieve, with its sleek and smart design, you will look professional.It is a great helper in your life. Key Features:  1. Save Space: Binder folders have big capacity to manage papers, letters, statements, photos, cards and documents in a tidy way; 2. Efficient Work: Unique Lid design and insert label design help you grip and classify your files effectively, improve work efficiency and working environment, to be the business elite; 3. Safe Material: Made of thick PVC plastic with a mesh, wear-resistant, durable and protective, every peace of paper has a place and remain intact; 4. Fashional Design: Practical and fashion self-standing design, is the most welcome choose for business people, student, workers; 5. See-though Design: More Vivid and Bright color folder bags, and it is transparent. You could easy to check the contents inside the binder pocket; 6. Easy to Organiser documents, say goodbye to messy file and contracts; 7. Exquisite Sewing Craft: Exquisite sewing craft, superb workmanship make the edge for extra durability; 8. Great gift: A good gift for for home school parents and especially teachers;