EXPO Low Odor Dry Erase Markers offer the best solution for marking on whiteboards and most non-porous surfaces. Vivid, quick-drying ink features a special, alcohol-based formula that is virtually odor-free and easy to see from a distance. All colors erase cleanly and easily from whiteboards and most non-porous surfaces with a dry cloth or eraser. Use these markers to track, schedule and present. Ultra Fine Tip—For precise marking tasks. Marker Ink Type: Dry Erase; Marker Tip Type: Needle; Marker Tip Size (text): Extra-Fine; Marker Color(s): Black.