The Noteboard Ltd. Noteboard Pocket-Size Dry Erase-Board (NB35X15) The durable, portable, rewritable dry-erase board. Folds up, map-style, from 35" x 15" to 5" x 3" to fit in your pocket. Dual sided - blank on one, hex, inch and centimeter grids on the other. Includes black easy-erase marker. Packs neatly into its microfiber pouch that doubles as your eraser.