Use and re-use eraser – soap and water keep it clean! Fully washable for quality erasing every time. Dont worry if you have done a lot of erasing already – the soft-pile eraser can be cleaned easily with soap and water, extending its superior erasing abilities. Lightweight for easy use. Because of its lightweight design, moving eraser against vertical dry-erase surfaces is nearly effortless! 2in x 5in for easy, hand-size grip. Narrow enough to fit easily in your hands, allowing you to get a comfortable grip while erasing.