The Pigma Micron pen is and has been the popular choice of artists and illustrators for drawing sketching and fine line detail. However it is also a popular choice for journaling on planner pages on scrapbook pages and doing Zentangle(R) designs. Due to it's archival permanent ink this pen is a perfect choice for using on legal documents & checks maps as well as laboratory notebooks journals and log books. Micron pens are for use on papers and will not bleed through most papers including thin papers such as bible pages. The ink is also water fade and chemical resistant and will not smear or feather when dry. The pen can be used on fabrics & quilt patches as long as the material will not be washed. Non-toxic and safe to use as intended.