Erasable Maker Pen. Can be used to mark the fabric but doesn't leave permanent mark Erasable Fabric Pen gives you precise smooth lines The ink marking can be erased with water or The ink will disappear within 2-10 days from most fabrics; Perfect for marking your fabric for sizing or altering etc or These pens work great for quilting, embroidery, dressmaking or other projects. Always test on a scrap fabric first before marking your work.