1 Each. Add style to your office with this magnetic, glass board that makes a subtle yet classy statement for dry-erasing. Contemporary, solid glass panel provides a superior writing surface. Glass surface will not stain or ghost. The glass board promotes smooth writing and erases cleanly and completely under the most demanding usage. Glass board looks brand new even after years of use. Glass board works with all dry-erase markers. You can also use the surface as a bulletin board with Lorells line of magnetic accessories (sold separately). Steel bolts hide the mounting hardware (included).