Dual-purpose, three-pocket vertical filing system with built-in 11in x 13in magnetic whiteboard allows you to broadcast information and efficiently manage paper flow in your personal workspace. Two removable partitions convert the file pockets into one, two or three letter-size compartments. Hangs over most cubicle panel systems and mounts onto dry-wall surfaces. Built-in marker tray. Includes mounting hardware. Hanging File Systems Type: Hanging Multiple Pockets/Dry Erase Board; For File Size: Letter; Overall Height: 20in; Width: 15in.