The OEM Smead TUFF Pocket Poly Expanding File Pocket is designed for durability with its heavyweight polypropylene construction and a 3-1/2 inch expansion, allowing it to hold a substantial amount of paperwork. The bright hues facilitate easy color-coding for organization. It features drop front panels for convenient access to contents, along with 6-inch high matching color gussets and rounded top corners for added safety. This acid-free, archival-quality poly material is both waterproof and tear-resistant, ensuring your documents are well protected.