Intensity Advanced Dry Erase Marker, Tank Style, Chisel Tip, Assorted Colors, Pack of 24Ideal for home, school, or office use, BIC Intensity Advanced Dry Erase Markers are ACMI approved and feature bold, low odor ink. With their liquid ink, these tank style markers provide smooth, consistent ink flow on dry erase boards, glass, and most non porous surfaces, and their marks erase easily. These non toxic whiteboard markers also offer a visible, long lasting ink supply and come equipped with a chisel tip that lets you create broad and fine