Expo low odor dry erase markers offer the best solution for marking on whiteboards and most non-porous surfaces. These whiteboard markers use a specially formulated, Alcohol-based ink with virtually no odor. The Expo markers feature vivid, quick-drying ink that is easy to see from a distance and a fine tip that's perfect for thin, accurate lines. The dry erase marker ink erases cleanly and easily from whiteboards and most non-porous surfaces with a dry cloth or eraser. Use your Expo dry erase markers to track, schedule and present.