Product details:

Black surface creates high contrast against the brightly colored chalk markers included, creating maximum visibility & making these ideal for large classrooms, conference rooms and eating areas. The frameless feature allows you to install the board horizontally or vertically and hang multiple boards side by side to expand your writing surface. Made from 4 mm thick tempered glass, this board features a galvanized steel backing that allows the board to accept heavy duty magnets. Glass will not ghost, stain, dent or scratch. Stainless steel mounting hardware is 1 in diameter and creates a 1 gap from the wall to the board. Corners are rounded for style and safety. Includes one hidden acrylic marker and eraser holder to complement the clean, contemporary lines of this board. Note: Only heavy duty magnets will work on this board. Only wet erase markers will be visible on this color surface. To clean, wipe board surface with a damp towel or rag.Use Wet Erase Chalk Markers on this board for optimal results
Corners are rounded for style and safety