Convenient way to include items that should not or cannot be punched when you use a two-prong filing system. Generous pocket is hole-punched at top for easy addition to letter or legal size fastener folders (sold separately). No need to hole punch originals. File Jackets/ Sleeves/Wallets Type: Expanding Classification Pocket; Material(s): 11 Pt. Manila; Height: 9 in; Width: 13 3/4 in.