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. Marker Ink Type: Dry Erase; Marker Tip Type: Chisel; Marker Tip Size (text): Broad; Marker Color(s): Purple.