Dry Erase Whiteboard Marker and Eraser Holder Tray and Organizer - Magnetic & Options - Brushed Aluminum Metal PROFESSIONAL & POLISHED LOOK - High Quality Brushed Aluminum gives a distinctive presence and look FLEXIBLE HANGING OPTIONS - Two options for hanging - four (4) powerful adhesive magnets (work with steel only, not aluminum, please check magnetic properties before purchasing) or two (2) adhesive 3M hook & loop strips DURABLE - Brushed Aluminum Metal means you'll have years of use with no worries about cracks and the occasional drop Four (4) 3/4" (2cm) round holes accommodate most whiteboard markers, and one (1) 2 1/2" x 1.3" (63 mm x 33 mm) rectangular hole Overall measurements: 7.25" length x 2" width x 3" height - Markers/Eraser Not Included