Expandable box-bottom hanging pockets hold large amounts of paperwork and other bulky materials. Half-high side gussets keep all your files together and secure. Front panel is scored for easy access. Poly tabs included can be positioned in a variety of locations on the front or back inside of panels (includes clear tabs and inserts). Coated rod tips for easy sliding on file frames. 11 pt. stock. Hanging File Folder Type: Box Bottom with Sides; Size: Letter; Expansion: 3"; Material(s): 11 Pt. Stock.