Expo Low-Odor Dry Erase Marker Sets- Point size: chisel- Unit: set of 8Expo Markers are the gold standard in dry erase markers.Their broad bold strokes are perfect for both the office and the classroom They're also great for brainstorming sessions and for creating more efficient organization and more effective communication Expo Makers are suitable for use on whiteboards glass and most non-porous surfaces They use a low odor certified AP nontoxic inkFour Color Set contains black red blue and greenEight Color Set contains black red blue green yellow orange purple and brown