Effective Eraser: Eliminates dry erase marks and refreshes whiteboards Formulated Cleaner: Efficiently removes ghosting, grease, and stubborn marks Multipurpose Use: Ideal for classroom and conference room Easy To Use: Simply spray and wipe with a soft cloth or Expo eraser Large Quantity: Includes 1 – 22 oz. spray bottle for multiple uses Non-Toxic: Safe, AP certified non-toxic cleaner Extendable Board Life: Helps to prolong the life of your whiteboard.