Office, Pens, Water Erasable Pen, also named Water Soluble Pen/Water Disappear Pen/Erasable Pen, Markings will not disappear by self, but can be removed completely & immediately with plain water or damp cloth/sponge. It's an ideal use for temporary marking & memo writing in sewing, quilting, embroidery and craft projects, can write on paper, cloth, wool and plastic Two colors are available, blue for light color materials and white marker ...