Pigma Micron fine liners from Sakura contain the highest quality, p H neutral, archival ink. Made in Japan, these are the most reliable, permanent ink-based disposable fine liners on the market today. The ink is pigment based, waterproof, permanent, fade resistant & the blackest of all the fine liners we’ve come across. Whether you are an illustrator, designer, student, artist or crafter – these pens are perfect for everyone who demands the highest quality from the pens they use. Available here in a set containing 6 nib sizes which include 0.2mm, 0.25mm, 0.3mm, 0.35mm, 0.45mm & 0.5mm.