Smead 1-31 Indexed Expanding Files, 31 Pockets, Kraft, Letter, KraftHeavy-duty file boasts double thick front and back panels with heavy reinforcement liner board. Full-height gussets with clear poly tape reinforcement at top. Flap with elastic cord closure. Preprinted indexes. This product was made from wood sourced from a certified managed forest. Expandable File Folder Type: Elastic Cord Closure File; Size: Letter; Width: 12"; Height: 10".