EXPO Low-Odor Dry-Erase Marker, Ultra Fine Point, Black, 2/Pack Premium dry-erase marker utilizes a special low-odor ink formula, making it ideal for classrooms, offices and homes. Consistent, skip-free marking, bold color options and great erasability make EXPO one of the most popular brands on the market. Quick-drying ink minimizes the potential for smearing. For optimal results, use on nonporous surfaces such as porcelain or melamine whiteboards and glass. Marker Type: Dry Erase; Color(s): Black; Tip Type: Ultra Fine; Ink Types: Low Odor; Non-Washable. Quick-drying. Dry Erase Marker; Whiteboard Marker; White Board Marker; Lap Board Marker; Expo Marker Easy-to-erase, low-odor dry-erase marker for use on whiteboards, glass and most nonporous surfaces.