LePen Pigment is excellent for drawing, art, planners, journaling, lettering, and more. The extra fine synthetic tip delivers a smooth, consistent ink flow. They work well on thinner papers and won't bleed through. The ink is water-based pigmented which is quick-drying and smudge resistant. Specifications Water-based pigmented ink Smudge resistant Quick drying Extra fine synthetic tip Smooth writing Vivid colors Nontoxic Ink color matches the color of the barrel Works well on thin papers Made in Japan