DRITZ-Disappearing Ink Combo Pack. Use these markers to transfer pattern markings, needlecraft and quilting designs. For best results use on projects to be completed within twenty-four hours and use on washable fabrics. The ink will disappear in 24-72 hours (it depends on humidity and penetration of ink can alter timing). Ink is water soluble and can be removed with a damp cloth. This package contains two disappearing ink pens. Imported.