MasterVision Planning Board Magnetic Dry Erase Grid with Accessory Kit, 36" x 48", Whiteboard with Aluminum Frame Magnetic dry erase surface is recommended for frequent use Magnetic accessory kit included with data cards, date magnets & mini magnet shapes 1" x 1" in pale gray grid lines with an extra wide row at the top and an extra wide column to the left to allow room for headers and data; 44 columns/27 rows Wallboard with sliding aluminum pen tray keeps pens and magnetic accessories where you want them Easy 4-corner mounting system; clean contemporary look