Magic Whiteboard Dry Erase Markers are colorful, high quality dry erase markers recommended for use with the Magic Whiteboard, Magic Clear board, Gridded Magic Whiteboard and Magic Mini Whiteboard Sheets, and they will help make your project or presentation shine. These bullet tip, low odor dry erase markers will not irritate your eyes, nose and are certified non-toxic by the Art and Creative Materials Institute. Four Markers are included in each pack in four sharp colors - Red, Blue, Green and Black. They erase easily, and will work on any brand of dry erase boards or whiteboards.