New formulation erases easily and cleanly. Improved color vibrancy and long-lasting writing. Marks on whiteboard, glass and other non-porous surfaces. Great for laminated planners and calendars. Sturdy pocket clip for portability. Cap can be left off for 24 hours without dry-out. Safe to use at home or school. Low odor and non-toxic. Value Pack24 for the price of 20 Marker Ink Type: Dry Erase Marker Tip Type: Chisel Marker Tip Size text: Medium Marker Colors: Assorted.