Quality chalk pencils designed for use on washable fabrics when marking quilting lines - seam allowances for hand piecing -and placement lines for applique pieces. Sharpen carefully with hand held sharpener. Item Number: 7884 Barcode Number: 072879078848 Instructions: Mark very lightly to ensure easy removal of chalk. Marks can be removed by rubbing lightly with a damp cloth. Remove all marks before pressing. NOTE-Always test on swatch of fabric to be sure marks can be removed satisfactorily before marking on your quilt.