Multifunctional Application: Our accordion file organizers are ideal for filing and storing tax documents, contracts, checks, receipts, vouchers, bills, cards, and other everyday documents. This file organizer is suitable for use in the office, school, home, or while traveling. Larger Capacity: Designed to store A4 and Letter-size documents, this administrative paper storage features 13 individual pockets, extends up to 38 cm, and holds up to 1500 sheets. Contents are easy to access when the expandable file folder is upright and fully extended on a table or counter. Rainbow Label: The 13-pocket folder includes color-coded interior pages. The AZ/Jan–Dec insert tab design supports efficient sorting and retrieval. Two card pockets provide convenient storage for class schedules, timetables, business cards, and other small cards. Labels can be customized to suit individual needs. Security Flap and Drawstring Closure: A full-size soft flap and back drawstring closure help secure contents and prevent documents from shifting or becoming disorganized. The A4 binder includes an elastic cord and button closure for easy opening and closing. Additional fold lines on the flap improve stability and performance when the folder is unfolded. Premium Quality Material: Made from high-quality, eco-friendly polypropylene, this expandable document organizer offers excellent tear and scratch resistance. It is durable, waterproof, and easy to clean. Specification: Material: Polypropylene Color: Black Dimensions: 12.99" × 9.45" × 0.79" Maximum capacity: 1500 sheets Compatible with: A4 paper, Letter-size paper, tax documents, contracts, checks, receipts, vouchers, invoices, cards, etc. Features: Waterproof, tear-resistant, scratch-resistant Package Includes: 1 × Document Sorter (label paper included) The accordion binder is suitable for both office and home use. It supports organized storage of school projects, report cards, medical records, photos, letters, and other important personal documents. Expanding the folder provides efficient management of bills, receipts, contacts, papers, photos, cards, and other essential documents. The 13 labeled pockets allow quick access and improved organization.