Quartet OFD Hanging File Pocket with Dry Erase Board, Three Pockets, Letter, Black Hanging file pocket features magnetic dry erase board, adjustable two/three letter-size file pockets, adjustable panel brackets, built-in marker tray and Quartet marker. 15w x 4d x 20h. Magnetic dry erase board combined with three-pocket filing system for transitional paperwork. Brackets adjust from 1 1/2" to 4 1/2" to fit most panel systems; can also be installed on permanent wall (hardware included). Two removable partitions convert the file pockets into two or three letter-size compartments.