The Expo Low-Odor Dry-Erase Markers feature bold ink that's easy to see from a distance and provide consistent color quality. These Expo dry erase markers erase cleanly and easily from whiteboards and other non-porous 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 Expo whiteboard markers to track, schedule and present.