FONS & PORTER-Quality chalk pencils designed for use on washable fabrics when marking quilting lines, seam allowances for hand piecing, and placement lines for applique pieces. 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. Sharpen carefully with hand-held sharpener. (not included) Includes 4 pencils with a smooth pigment-rich formula. 1 white, 1 grey, 1 yellow, and 1 blue.