Posca Marker Kit has an odorless formula and is fade-resistant, water-resistant, quick-drying, and won't rub off windshield. Even wipers don't remove the writing, and yet it easily removes with a razor blade scraper. Posca Broad Fluorescent Markers will not "ghost" on the windshield. Water based fluorescent markers are easy to use with the depress and release valve action. Each Broad marker has a ¼" broad tip. Kit of 6 markers includes 2 of each color (Green, Orange, and Yellow). Broad Posca Markers colors are also sold separately as item# P1400.