Clear Marking: Our fabric markers feature an ultra-fine 0.7 mm nib with a smooth writing action that makes it easy to write precise, smooth, crisp lines, making your fabrics easy to measure and cut. Thermal Erasable Design: Tailors sewing chalk pencils contains a special ink that erases easily when heated, and when ironed, the mark disappears without any residue staining clothes or fabrics. Easy to Store: Our marker refills each come with a safety cap that stays intact when not in use, making them very easy to store and the for any sewing, quilting or embroidery enthusiast. Widely Used: Heat erasable fabric marker ink is clear in color, suitable for marking most clothes, can be used for marking sewing, tailoring, crafts, shoe prints, embroidery, - and more. Color: Black & White & Red & Blue Material: plastic Package Contents: 4 * Heated erasable pen 16 * pen refills Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.