Precision Micro-Line Pens, Set of 9 Black Micro-Pen Fineliner Ink Pens, Waterproof Archival ink, Multiliner, Sketching, Anime, Artist Illustration, Technical Drawing, Office Documents

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About Precision Micro-Line Pens, Set Of 9 Black Micro-Pen

9 Size Black Archival Ink Artist Drawing Sketch Brush Pen Set Black Micro-Pen Fineliner Ink Pens - Waterproof Archival Ink Micro Fine Point Drawing Pens for Sketching, Zentangle, Anime, Manga, Comic, Illustration, Architectural Drawing, Technical Drawing, Bullet Journaling Our black art pens with water-based pigment ink. it to stay within the top layer of the paper rather than absorbing through the paper causing bleed-thru. The archival quality ink is waterproof, chemical resistant, fade resistant, lightfast, bleed free, quick drying, and ph neutral, The larger and more chemically complex molecules inherently makes them longer lasting; therefore, less susceptible to UV rays, chemical degradation and pollution from contact with oils. Were not permanent on glossy surfaces(glossy photo paper, DVD, glass, plastic), ink can be wiped off. 1. When you use them with alcohol-based markers, they are waterproof. No streaking. 2. When you use them with the medium(which containing a lot of water, such as watercolor paint, water-based watercolor markers). please careful the ink maybe running, or bleed. If you want waterproof, please do like this. (1). Use watercolor paint on ink pens, please let the ink dry first. (2). Use ink pens on watercolor paint, please let the watercolor paint dry first.