Pendaflex PFX82013 Poly Jumbo Expanding File with Elastic Cord, 13 Tabbed Pockets, Letter, Black Jumbo 13-pocket file with durable textured polypropylene construction, 12" expansion, tabbed dividers, 12 color-coded and alpha index tabs and elastic cord closure. Tabbed pocket file expands a full 12" at top and bottom. Constructed of textured polypropylene20 times stronger than paper based material. Includes 12 color-coded and alpha index tabs for quick and simple organization. Jumbo 13-pocket file with durable textured polypropylene construction, 12" expansion, tabbed dividers, 12 color-coded and alpha index tabs Tabbed pocket file expands a full 12" at top and bottom. Constructed of textured polypropylene20 times stronger than paper based material. Includes 12 color-coded and alpha index tabs for quick and simple organization.