Store large amounts of paperwork with 5 1/2" high side gussets to safeguard contents. Front panel is scored for easy access. Coated rod tips for smooth sliding. Slotted front and back inside panels for index tabs (not included). 11 pt. stock. Hanging File Folder Type: Box Bottom with Sides; Size: Letter; Expansion: 3 1/2"; Material(s): 11 Pt. Stock.