Expo Low Odor Dry Erase Markers feature bold ink that's easy to see from a distance and provides consistent color quality. These Expo dry erase markers erase cleanly and easily from whiteboards and other nonporous surfaces with a dry cloth or Expo eraser. The dry erase marker ink is specially formulated to be low-odor making it perfect for use in classrooms, offices and homes. Use your black Expo dry erase markers to track, schedule and present.