SMOOTH INK FLOW: High-quality ballpoint and white gel ink allow for smooth and effortless drawing. White gel pen set for artists drawing illustration sketching and adult coloring books.

ARCHIVAL INK AND WATERPROOF: Archival ink white pen Waterproof white ink pens are fast drying smear-resistant, and water-resistant white gel pens. Acid-free and non-toxic.
VERSATILE: Great gel pens for dark drawing paper, white paper, toned paper, black paper, kraft paper, You can use it for the white high-light part of the mark pen works, like white light, stars.