GreenEarth WhiteBoard Cleaner & Restorer cleans and restores white boards without leaving anything behind like harsh chemical fumes or residue. Our natural whiteboard cleaner and restorer is the natural way to get a though streak-free clean.The biodegradable plant and mineral-based ingredients work as well as traditional whiteboard cleaners to not only remove whiteboard markers but permanent pens as well.Directions for use:- Dilute with cold water as belowSpray on and wipe off with a clean cloth or spray onto a clean cloth and then wipe the board clean.Tip: To help remove permanent pen marks write over the permanent pen with a white board marker before spraying and wiping clean with our white board cleaner.