Plastic expandable file folders provide flexible, heavy-duty storage for growing files and documents. Built from tear-resistant, waterproof poly, these folders are perfect for managing paperwork in offices, classrooms, or home filing systems. Choose from a range of sizes, closures, and colors to match your workflow—whether you’re organizing tax documents, student projects, or client files. Reinforced edges and secure flaps help prevent spills or wear over time, making these expandable folders a reliable solution for daily filing.

Browse Our Selection of Plastic Expanding File Folders