When accuracy, performance and preservation count, the unparalleled fine nibs and archival ink quality of the Sakura Pigma Micron fineliner pens are the go-to tool for art, work, and play giving you the freedom to think & create. Experience smooth writing, and crisp ink quality that delivers precise points and lines that are ideal for fine detail in writing, sketching, drawing & illustration. Features archival Pigma ink that doesn't bleed through most papers, is quick drying, waterproof and fade resistant. Certified non-toxic, approved by ACMI toxicologists & bears trusted AP Seal. Not evaluated for cosmetic use on skin. Not recommended for use on fabrics intended to be washed.