Sakura Pigma Micron Pens are popular amongst artists and other professionals due to their fast-drying, waterproof and fade-resistant properties. The durable nib is perfect for technical and artistic applications or even bullet journaling. These pens come in 10 nib sizes, in an array of vibrant colours for all kinds of creative or detailed projects. · This pack comes with 6 Pigma Micron light gray and cool gray pens 005, 01 and 05 · Line widths 0.20, 0.25 and 0.45mm · Waterproof and fade resistant · Odourless, non-toxic and acid-free · Permanent - archival quality pigmented ink · Ink dries quickly - making it perfect for left-handers · Bleed proof ink won't feather or spread when applied to paper · Ink does not bleed through the thinnest paper · The barrels feature a convenient pocket clip · Ideal for creating both technical and artistic drawings · Made in Japan