Tempered glass resists scratches and dents. Non-absorbent board is easy to erase and will not stain or ghost. Writing stands out on the high-contrast, true white glass. Includes accessory tray, 2 high-power glass board magnets, 1 Quartet® Dry-Erase Marker and pass-through mounting hardware. Limited 25-year warranty. 72" x 48". White.