12 Black Drawing Pens: The professional micro pen kit contains assorted types of pen tips from 0.2mm to 3.0mm, plus a brush tip. No Bleed, No Smear and Waterproof. Perfect for drawing and writing. One set of pens for all your art creation needs. Whether you are an artist or a beginner, you can easily use it. Line Width & Cap Size: 0.2mm (005), 0.25mm (01), 0.3mm (02), 0.35mm (03), 0.40mm (04), 0.45mm (05), 0.50mm (08), 0.55mm (1.0), 1.0mm (1), 2.0mm (2), 3.0mm (3), Brush (BR) Waterproof Archival Pigment Ink: Don't let bleed and smudges ruin your artwork. Our archival grade ink are no bleed through, no smear, waterproof, fade resistant, quick drying, water-resistant, sun proof, photo safe, non bleeding, acid free, non-toxic, odorless and last long. Environmental friendly and conforms to ASTM D-4236 & EN71-3 certificate. (Note: The ink will resist water when it's totally dry. This process usually takes a few seconds) Smooth & Skip-Free Nylon Nib: Our nib is made of high quality nylon. The premium different tip sizes (needle medium thick & bursh) makes your writing extremely smooth and skip-free on journal, watercolor, trace, vellum or any other paper. (Note: To protect the extra fine tips, do not press down the tips too hard while using) Wide Use: Compatible with pencil, watercolor paint, alcohol marker and highlighter, etc. Perfect for artists, designers, writers, architects, illustrators & calligraphers. Great for bullet journaling, bible underlining, manga, sketch, anime, writing, zentangle, technical, doodle, planner, drafting, notebook, note taking, painting, coloring, lineart, graphic, design, illustration, architecture, lettering, marking, slick lining, tracing, scrapbooking, stippling, bujo, outliner, calligraphy, comic Ideal Gift: The exquisite plastic packaging is also a storage case. Best gift for family, neighbors, friends. For using in home, school, office and travel. Great back to school stationary, super pro craft pack, planner or journaling supplies for Birthday, Party, New Year's, Anniversary or any special Holiday