This magnetic dry erase white board features a 4mm thick tempered glass surface. Made for extensive use and easy to clean, this 36" x 48" modern board has a pass through mounting system that allows you to display the board either vertically or horizontal. A perfect solution for offices, conference rooms, training centers and collaborative spaces. Lifetime surface warranty included.High-quality magnetic glass dry erase surfaceTempered glass for safer use with 4mm thicknessSquare corners with pass through mountingMagnets, pen tray and wall mounting hardware includedFeatures a lifetime surface warranty