Sturdy and Sturdy Construction: The expandable briefcase is made of durable, wipe-clean polypropylene. Acid-free and high-quality for a trusting use. Waterproof and sturdy enough to prevent the file folder from collapsing. The accordion wallet's cord closure and adjustable tab provide additional security. Built-in file dividers are flexible to ensure files don't crumple. Convenient organization & EASY REFERENCE: The expandable file folder has 24 compartments to help you organize our paperwork. Precisely classified storage in each color compartment and labeled with tabs to help you find the papers you need. Ample storage space: Product size: 65 x 33 x 23.5 cm. Each pocket fits well for all A4/Letter size papers. Outstanding scalability. The accordion file folder can be stretched quite widely, more than 24 inches. Portable & Stylish: The classic, lightweight file organizer can be compressed to a minimum thickness of around 2 inches, making it great for traveling to and from all different work locations. Fits perfectly when fully closed in the filing cabinet. The rainbow file folder divider sections come in six bright colors, stylish and beautiful. Versatile document organizer for home, office, school and travel scenarios, compact and lightweight. Expandable desktop folder: Folders can be expanded to different widths as the number of files you put in increases. Stand on their own on the desk and won't tip over easily when stretched and filled to maximum capacity. Each pocket is fully sealed at the bottom to keep small objects from moving.