Gridded Magic Cloth for Practicing Chinese Calligraphy Tool Ink Free Water Writing Paper with Scroll Extra Heavy Dimension: 18" x 32" Ink-free water-writing paper for practicing. Simply write on the surface with water and your strokes will come to life in dark, then, as the water evaporates, they will magically disappear leaving you with a clean surface - ready to be used again An environmentally friendly product. No worry of mess or ink stains while you do your drills and exercises May an iron to flatten the crease It will last for 10,000 times