Three By Three Seattle Dry Erase Magnet Board, 4 x 11 Inches, Spring Green, 1 Pack (33007) Includes 3 powerful rare earth magnets which hold up to 6 sheets of 8.5" x 11" paper each Magnetic dry erase pen can securely attach to the board itself Magnetic backing for mounting on metal surface Adhesive included for mounting on a non-magnetic surface Great for use at home, school or office