Durable & Thickened Material:Made from premium thickened polypropylene (PP) material, this file organizer is sturdy, tear-resistant, and built for long-term daily use while keeping documents protected from bending or damage. Large Capacity & 12-Pocket Design:Designed with 12 individual expanding pockets, this accordion file folder provides ample space to neatly organize bills, receipts, contracts, school papers, and important documents without clutter. Secure Snap Button Closure:Equipped with strong snap closures to keep your files securely stored during transport, preventing papers from falling out whether at home, in the office, or on the go. A4 / Letter Size Compatibility:Perfectly sized to fit A4 and Letter-size documents, making it ideal for office work, school assignments, travel paperwork, and home organization Portable & Versatile Organizer:Lightweight yet spacious, this expanding file folder easily fits into backpacks, briefcases, or tote bags—an excellent choice for students, professionals, and families.