The Expo dry-erase marker contains specially formulated low-odor dry-erase neon ink. Perfect for classrooms small offices and homes. Use on most whiteboards glass and nonporous surfaces. Consistent color quality delivers bold colors and great erase ability. Use bullet point to write in small areas. Certified AP nontoxic and conforms to ASTM D-4236. Nonrefillable. Package contains 5 markers: 1 each of pink orange and yellow green and blue