BIC Intensity Advanced Dry Erase Markers deliver both low odor AND bold writing. With their long-lasting supply of liquid ink, these tank-style markers provide smooth, consistent ink flow on whiteboards, glass, and most non-porous surfaces. These non-toxic markers also offer a visible ink supply, so you can easily check if you're running low. The versatile chisel tip helps you switch seamlessly between bold, broad strokes and fine lines, and marks erase easily with a tissue or cloth. Available in a variety of bright, vivid colors, these dry erase markers are a great choice for home, school, or the office.