Perfect for marking your fabric for sizing or altering Water Erasable Pen Refill will be a great replacement refill, which will disappear in water after marking on fabric The marking can be immediately erased with water, which is great for sewing, embroidery, cross-stitch, tailor dressmaking and Water Soluble Refill only, other accessories demo in the picture is not included for Always on a scrap fabric first before marking your work