Vanishing fabric markers also called no-trace marker pens are a great alternative to the traditional chalk fabric marker. Easy to use they offer great control, you can write on fabrics and textiles with accuracy and detailed marking. These purple erasable fabric pens give you precise smooth lines, which disappear like magic within 2-10 days from most fabrics. The ink marking can be immediately erased with water. Perfect for marking your fabric for sizing or alterations, buttonholes, darts etc. Always test on a scrap fabric first before marking your work. Available in a Box 12 or sold singularly.