Expo 80001 Low Odor Chisel Point Dry Erase Markers, Low Odor Alcohol-Based Ink, Designed for Whiteboards, and Glass, Black, 12 units per box, pack of 4 boxes, 48 markers total EXPO Low Odor Dry Erase Markers use a specially formulated, alcohol-based ink with virtually no odor. The markers feature vivid ink that is quick-drying and easy to see from a distance These dry erase markers write on whiteboards, glass and most non-porous surfaces Key Features Chisel point, 12 units per box, pack of 4 boxes, 48 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