Glass Magnetic Office Note Eraser Wall Board 36&rdquo; x 24&rdquo;, Dry Erase Blackboard Set with Magnet, Marker Tray and Marker STAIN-RESISTANT BLACK GLASS BOARD, made of black tempered glass, this black glass dry erase wall board with a dry surface never stains or ghosts, creating high contrast with any color dry erase markers EXTRA-THICK FOR DURABILITY, 4mm thick tempered black glass reduces the risk of breakage; scratch-resistant and easy-wipe surface works with all dry erase markers VERTICAL OR HORIZONTAL, measured at 24 x 36, this black glass dry erase board can be mounted vertically or horizontally, perfect for heavy writing use in any office, home or commercial environment FRAMELESS DESIGN, modern frameless design hides all hanging hardware and enables multiple glass boards to be hung side by side to create a larger writing surface A COMPLETE COMBO, comes with 2 magnets, 1 marker, 1 instruction and 1 aluminum marker tray