precisely marking with our water soluble fabric marker and metal sewing ruler patchwork measuring tool, featuring vanishing Inks, leaving without residues after washing, making it great for sewing, quilting, needle and fabric craft project These water erasable fabric marking pen feature fine tip for writing and precisely marking, ensuring clearly on various item, such as cotton, leather, canvas or paper Suitable for professional tailors, sewing enthusiasts, stitching hobbyists, student, and needleworks lovers who require accurately marking in their sewing craft project Widely used for fabric cutting, clothing pattern marking, dressmaking, drawing, sewing and quilting, especially useful in low light or night condition for precisely result This colored fabric marker and metal quilting ruler set convenience, allowing you to tackle multiple marking needs easily in any crafting project