Quartet Dry Erase Board Cleaner, Whiteboard Cleaning Spray, 8 oz. Bottle (920070E) Whiteboard spray cleaner pH balanced formula is made using plant-based ingredients; 8 oz. bottle is rectangular to sit neatly on a marker tray without falling Removes dry-erase ink, dust and dirt from all whiteboard and dry-erase surfaces; regular use helps Quartet whiteboards resist ghosting and staining Suitable for all board types including porcelain, melamine and glass surface marker boards; cleaner is readily biodegradable, non-toxic and low odor (SDS available upon request) Easy to use. For best performance clean board with eraser first, then spray cleaner directly on board surface and wipe with a soft cloth. Recognized by the EPAs Safer Choice (DfE) Program; meets U.S. EPA Safer Product Standards