Liquid glass markers with a bullet tip feature bold & vibrant color inks that dry quickly, erase easily & 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 & precise writing experience. Each marker cap features a built-in eraser that enables quick, convenient & precise erasing. For best results, recap the marker immediately after use & store horizontally.