Magnetic porcelain surface resists staining, scratching and ghosting. Designed for heavy-use environments, it wipes clean every time! Porcelain surface where quality matters most for smooth writing surface and a consistent white clean each time. Magnetic surface to hold papers and bulletins easily. Board Type: Magnetic Dry Erase; Board Width: 72″; Board Height: 48″; Board Depth: 0.7″.