Keep your writing area fresh and ready to work by using this Expo Standard Whiteboard Dry Eraser. You will be able to have the space available when you are ready to brainstorm and write out various ideas in a moment's notice. The Expo whiteboard cleaner can get the job done in a matter of moments without using any water or special solutions. It will come in handy at home, in the office or in the classroom. Keep boards clean without having to waste paper towels. Size: 23 oz. Color: Black. Gender: unisex. Age Group: 12.