Dritz Fine Line Water Erasable Marking Pen 700. The pin-point tip allows you to make a very fine, thin bright blue line. Lines are easily removed with plain water. For transferring pattern markings and quilt/craft designs. This marking pen creates a very fine, thin, bright blue line that is ideal for sewing, quilting, embroidery, and crafts. It?s a simple and efficient way to make your job easy. For best results, use on washable fabrics. Not recommended for dry clean only fabrics. CHK-700D