Expo 80001 Low Odor Chisel Point Dry Erase Markers, Low Odor Alcohol-Based Ink, Designed for Whiteboards, Glass and Most Non-Porous Surfaces, Black, 12 Units per Box, Pack of 6 Boxes, 72 Markers Total Chisel point, 12 units per box, pack of 12 boxes, 72 markers total These dry erase markers write on whiteboards, glass and most non-porous surfaces Low odor dry erase ink is ideal for classrooms, offices and homes Markers feature vivid ink that is quick-drying and easy to see from a distance