The Bi-Office Whiteboard Cleaner Spray is well worth getting. As an essential part of your regular maintenance and presenting kit, it can save you a lot of hassle when you're cleaning your drywipe magnetic and non-magnetic whiteboard. Make the board gleaming and ready to go in just a few minutes. Clean any large or small dry-erase whiteboard in the office, classroom, or at home. This non-toxic spray is highly effective in cleaning the ink away, even if it has been on the board for several days. It also removes dust particles and other stains, and doesn't leave any smears. The small 125ml bottle is easily storable so you can always keep it at hand. Accessories like these allow you to use dry-erase magnetic whiteboards to their full potential.