Expo Dry Erase Marker, 4 color set marks vividly with a consistent, smooth line that retains its color and erases easily with a dry cloth. Designed for use on porcelainized enamel boards, melamine, glass, and other dry-erase surfaces, this set includes four vibrant colors: black, red, blue, and green. for classrooms, offices, and home use, these markers deliver reliable performance and easy cleanup, making your writing stand out clearly every time. Model Number: 80174