EXPO Dry Erase Surface Cleaner, 8oz Spray Bottle - Expo Cleaning Spray cleans and refreshes whiteboards. Nontoxic cleaner is perfect for classrooms and conference rooms. Certified AP nontoxic formula conforms to ASTM D4263. More from the Manufacturer Nontoxic cleaner for whiteboards that is perfect for classroom and conference room use. Cleans and refreshes whiteboards. Simply spray and wipe with a soft cloth.