Neon Fine Point Bistro Chalk Markers create a dustless, smooth layer and rich colors that are water based, non-toxic, and fade resistant. Perfect for using at home, school, or the office. Wipe away easily with a damp cloth. Use them with whiteboard, glass, backlit boards, presentation boards, metal boards, and other non-porous surfaces. The color will remain until you choose to wipe it away. Get creative!