U Brands bullet tip liquid glass markers feature bold & vibrant color inks that dry quickly, erase easily & work great on any glass board surface. The markers also feature the longest lasting, non-toxic, low odor ink that is great in any classroom, home or office environment. The glass markers feature a bullet tip for a bold & precise writing experience. Each marker cap features a built-in eraser which enables quick, convenient & precise erasing. For best results, re-cap the marker immediately after use & store horizontally. Marker Ink Type: Dry Erase; Marker Tip Type: Bullet; Marker Tip Size (text): Broad; Marker Color(s): Assorted.