Locate, organize and protect documents with this simple and durable expanding file. Constructed of textured polypropylene-20 times stronger than paper based material. 12 built-in tab dividers with A-Z and blank inserts add many organizational options. Two interior window pockets with contents card; full-length label on spine. Fast and convenient hook & loop closure. Pocket/Wallet Type: Files/Papers; Size: Letter; Overall Expansion: 4"; Closure Type: Hook & Loop.