Choose from 1, 2, or 3 pieces to suit your needs! High Capacity: Measuring 12.99”×9.45”×1.77”, this expanding file folder features 13 individual pockets, holding up to 350 sheets of paper. It's perfectly sized to securely store all your important documents, helping you sort and find files efficiently. Premium Quality Material: Crafted from high-quality, eco-friendly PP material, this folder is acid-free, PVC-free, and archival-grade, ensuring safe storage. Its waterproof and moisture-proof properties keep your documents in excellent condition, preventing cracking or deformation. Rainbow-Colored Design: The 13-pocket folder is updated with beautiful colored inner pages for a vibrant visual experience. Small colored labels allow for convenient document classification, helping you quickly locate the papers you need. Unique Elastic Buckle: We've upgraded the elastic band and button closure for easier opening and closing. This design simplifies your work and adds enjoyment, making it ideal for anyone to store loose papers. Versatile Use: Our accordion folders are perfect for storing invoices, letters, papers, cards, receipts, contracts, and other documents. Suitable for home, office, school, and travel. Its stylish and simple design also makes it a great gift for friends and family.