Features: Disappearing Fabric Marker with heat activated vanishing feature ensures accurate cloth cutting lines that vanish during ironing, eliminating residues while maintaining designs integrity for professional garment creation. Crafted with ABS casing and portable designs, this tailors chalk pen combines scratch resistant engineering with pocket sized convenience for storage in sewing set or craft bags. Ideal for seamstresses, fashion designs, and enthusiasts requiring practical marking tool across fabrics, leather, and paper craft without materials limitations or chemical contamination risks. Enhances efficiency in sewing studios, home tailoring projects, and alterations – its temperature sensitive disappears instantly under steam irons or garment dryers after pattern tracing. Formulas meets safety standards for family friendly use, offering creators a healthier to traditional chalk dust while enabling intricate detailing in quilting or costumes development. Specifications: Materials: ABS Size: 13.3x1cm/5.24x0.39inch Package Includes: 1pc Invisible Painting Chalk Set note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.