... .dissolve in nature condition 7 days magic dissolve water color marker,water wipe marker Standard packing : Pvc bag,Colored box,Polybag, ... of watercolor pen, the ink is original from the natural plant extract, does not contain any toxic chemicals, cosmetics, in ... random graffiti on the surface, just gently rub with water,the writing will immediately disappear,moreover it will disappear spontaneously ...