Heavy-duty leather-like expanding files are virtually indestructable. Double thick front and back panels with heavy reinforced liner board for added durability. Tyvek reinforcement at the top and bottom for extra strength. Full height gussets won't catch on drawer sides. Choose from alphabetic (A-Z), daily (1-31) or monthly (January-December) preprinted indexes. Expandable File Folder Type: Elastic Cord Closure; Wallet; Indexed; Width: 12 in; Height: 10 in; Material(s): Leather-Like Redrope.