3M Whiteboard Eraser
Great for cleaning dry erase boards. No need for sprays or cleaners, simply add water to the spongy eraser and it eliminates most permanent marker marks, ghosting and residue. The blue side provides a comfortable grip while erasing, while the white side is for cleaning the dry erase board. Package includes two whiteboard erasers, each measuring 4-7/8 x 2-1/4".