Add excitement, emphasis and color- all with minimal odor. Expo low odor markers are perfect for use on dry erase surfaces in meeting rooms. The bright, vivid, non-toxic ink is easy to see from a distance making it easier for coworkers in the back of the room to read the writing on the board. And with over 15 different colors to choose from, you can easily differentiate and distinguish your messages so that you can clearly get your point across.