Ink erases easily and completely. Surfaces may vary. May require EXPO® Complete Care System. Bold color commands attention even at a distance, which is perfect for the office and classroom. Use to write on whiteboards, glass and most nonporous surfaces. • Bold color commands attention, even at a distance. • Quick-drying, smear proof ink. • Erases easily. • Use to write on whiteboards, glass and most nonporous surfaces. Bold color commands attention even at a distance, which is perfect for the office and classroom. Quick-drying, smear proof ink erases easily. Use to write on whiteboards, glass and most nonporous surfaces. Marker Ink Type: Dry Erase; Marker Tip Type: Chisel; Marker Color(s): Black; Color Family: Black.