Quartet Premium Glass Board Dry-erase Markers - Fine Marker Point - Black, Blue, Red, Green Liquid Ink - 4 / Pack

Perfect for use on glass dry-erase boards (sold separately) Fine tip creates sharp lines for distinct writing and detailed drawings Low-odor, nontoxic formula minimizes irritation for safe use Easy View ink gauge shows remaining ink to prevent unexpected depletion Liquid ink delivery system provides consistently legible results