Dry-erase markers make broad, bold markings perfect for the office and classroom. Use for brainstorming sessions, better organization and effective communication. Use markers on white boards, glass and nonporous surfaces. Erases cleanly and easily. Wipes off easily with cloth, tissue or Expo eraser. Chisel point. Colors include Black, Blue, Boysenberry, Brown, Cornflower, Forest Green, Green, Lime, Maroon, Orange, Purple, Red, Steel Blue, Teal Blue, Turquoise and Yellow. The certified AP nontoxic ink conforms to ASTM D-4236.