Best-Rite Mosaic Magnetic Glass Markerboard Tiles, 16 by 16-Inch, Orange Magnetic dry erase glass squares are available in six versatile hues to match any decor; Each board measures 16" x 16"; Sold as each Mix and match and create virtually endless patterns and designs; Can be hung individually or butted together to create one large board Compatible with any dry/wet-erase marker, grease pen, etc; Easily cleans without ghosting or staining Accepts rare earth magnets; Includes black marker and magnetic eraser Concealed keyhole mounting brackets maintain the clean lines