The OEM Smead Heavyweight Poly File Folder is designed for frequent use, made from extra-heavy, PVC-free, 17 point polypropylene material. It features 1/3-cut tabs in assorted positions and is waterproof and tear-resistant, providing durability and reliability. The folders are scored for 3/4" expansion and include rounded front and back top corners. With acid-free, archival quality, these folders ensure long-lasting performance.