The first retractable dry-erase marker from EXPO�! Eliminates all the inconveniences that come with caps�the constant on and off, tying up both your hands. Unique Safety Seal� valve prevents marker dry out. Bright, vivid ink is visible from a distance and specially formulated to be low odor. Quick-drying and smear proof. Use to write on whiteboards, glass and most non-porous surfaces. Marker Type: Dry Erase; Assortment: N/A; Color(s): Black; Tip Type: Fine.