Residue-Free & Temporary: Marks disappear automatically within 1–7 days or can be removed instantly with water or a damp cloth—no ironing required. Perfect for sewing, embroidery, quilting, patchwork, and fabric design. Precise Fine Tip: The 1mm fiber tip enables accurate lines for seam markings, patterns, and detailed work, ideal for DIY projects or professional use. Versatile on Many Fabrics: Works reliably on cotton, linen, canvas, denim, T-shirts, bags, pillows, shoes, and more. Great as a magic pen, fabric marker, or addition to a sewing kit or embroidery toolbox. Safe & Certified: Water-based, non-toxic ink compliant with EN71 & ASTM-D4236. Suitable for delicate fabrics and temporary fabric painting. Usage Tips: Drying time may vary with temperature, humidity, and fabric type. Test on delicate fabrics before use. Close cap tightly and store in a dry place to maintain performance.