Present your ideas in rich, bold color on a variety of surfaces including whiteboards, glass and other nonporous surfaces. Fine point for writing in small areas. Ink erases smoothly. Low-odor formula makes it safe for both adults and children to communicate ideas at home, work or school. Pocket clip adds extra convenience. 24 markers for the price of 20: 12 black, 4 blue, 4 green, 4 red. Marker Type: Dry Erase; Assortment: N/A; Color(s): Assorted; Tip Type: Fine.