Hanging File Folders, Expandable Full-Height Gusset Sides: The expandable sides run the full height of the pocket, so it will not catch on the drawer rail or spill contents out the sides. Expanding File Folder Pockets, 3.5 Inch Expansion: Extra capacity hanging file folders -- each pocket expands 3.5 inches to hold up to 400 sheets, with die-cut handles for easy lifting and carrying. Durable 11 pt. Stock, 10% Recycled Content: Made from sturdy 11 pt. colored stock with 10% recycled content and 10% post-consumer material; SFI Sourcing Certified. Letter Size, 4 Per Pack: Four hanging pocket file folders sized 11.75 by 9.25 inches exclusive of rods. Assorted Colors -- Blue, Green, Red and Yellow. Tabs not included. Hanging Folders for a Filing Cabinet, File Box, or Desk Drawer: Organize bulk paperwork at home, in the office, or in the classroom in a portable file box or desk drawer organizer.