Premium dry-erase marker utilizes a special low-odor ink formula, makingit ideal for classrooms, offices and homes. Consistent, skip-freemarking, bold color options and great erasability make EXPO one of themost popular brands on the market. Quick-drying ink minimizes thepotential for smearing. For optimal results, use on nonporous surfacessuch as porcelain or melamine whiteboards and glass.