Liquid glass markers with a bullet tip feature bold and vibrant color inks that dry quickly, erase easily and work great on any glass board surface. They also feature the longest-lasting, nontoxic, low-odor ink that is great in any classroom, home or office environment. Bullet tip delivers a bold and precise writing experience. Each marker cap features a built-in eraser that enables quick, convenient and precise erasing. For best results, recap the marker immediately after use and store horizontally.