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 Sealvalve 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: Chisel.