When accuracy, minute details and preservation count.The Pigma Micron ink pen is selected for fine-point technical and artistic applications requiring top-quality capabilities.A formulation of pigment based inks, more complex and stable than dye based inks, results in a reliable, permanent, archival quality ink.Experience smooth, skip-free writing and crisp ink colours that leave consistent lettering and lines every time.Ideal for decorative fabric artists.The Pigma Micron ink pens feature:archival quality ink for use in acid-free environments chemically stable, waterproof,and fade resistant, no smears, feathers, or bleed-through on most papers, meets ASTM and ACMI non-toxicity standards.