Sanford 1741920 Click Dry Erase Markers, Chisel Tip, Black, Dozen Sanford 1741920 Click Dry Erase Markers, Chisel Tip, Black, Dozen Retractable dry erase marker eliminates lost caps. 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 nonporous surfaces.