Ideal for home, school, or office use, BIC Intensity Advanced Dry Erase Markers are non-toxic and feature bold, low-odor ink and fine bullet tips. The markers provide smooth, consistent ink flow on dry erase boards, glass, and most non-porous surfaces and erase easily. These ACMI-approved markers also offer a long-lasting ink supply, and the level of liquid ink is visible so you can see how much remains. This pack contains 12 dry erase markers in an assortment of vivid colors.