Operitacx 800 Pcs Invisible Refill Secret Pen Refill Invisible Ink Pens Liquid Chalk Pen Sewing Pen Refills Ink Pen Refills Tailor Marker Refill Quilting Plastic School Supplies Student - Y059632M01

• Marker for sewing-- they don't like the chalks will leave the trace, they are great tools for tailors and dressmakers. Pen refill office supplies-- can use for patchwork, needlework,cutting mark,transfer pattern marking, needle craft and quilting designs. Fabric markers refills-- after you have made the mark, the color will appear after being irradiated with and will not pollute your materials or clothing. UV photo refills-- white color is recommend to mark on black or dark color leather/fabric. Fluorescent marking pen refill-- can use for patchwork, needlework, cutting mark, transfer pattern marking, needle craft and quilting designs.