BLAST OFF GRAFFITI REMOVER This is a whole new way to attack paint or permanent marker graffiti. Just spray Blast Off on almost any hard surface and in one minute or less; just wipe the graffiti away with a clean dry cloth, no water needed. In fact the surface must be dry to work. Blast Off is pH neutral, biodegradable, non corrosive and contains no petroleum distillates and is safe of factory applied paint and powder coats. Easy and very safe to use and comes in individual 22 oz trigger spray bottles or cases of 12.