0.45mm Ultra-fine Pen Tip The 12-color pen adopts a 0.45mm ultra-fine nylon pen tip design to ensure delicate lines and no ink skipping when writing and drawing. Whether you are a professional artist or a beginner, it is easy to use.Archival-grade pigment ink that is waterproof, smudge-proof, water-resistant, fade-resistant, quick-drying and environmentally friendly. The ink can resist water erosion after it is completely dry, and the process usually only takes a few seconds.Wide Application Scenarios Suitable for use with tools such as pencils, watercolors, alcohol markers and highlighters. It is very suitable for a variety of professional needs such as artists, designers, writers, architects, illustrators and calligraphers. Ideal for bullet journaling, Bible underlining, comics, sketches, anime, writing or other artistic endeavors.Ideal Gift Choice The exquisite plastic packaging is not only convenient for storage, but also the best gift for family, neighbors and friends. Suitable for use at home, school, office or travel. Whether it is a birthday, party, anniversary or other special celebration, it is a rare stationery gift.Smooth writing experience The high-quality nylon head design makes the writing process extremely smooth, suitable for creating on agendas, watercolor paper, tracing paper or any other type of paper. To protect these ultra-fine tips, avoid applying excessive pressure.