Key features

• •Precision Nib Sizes: This set includes 13 black drawing pens with nib sizes ranging from 0.15mm to 3.0mm, plus a brush marker (BR). Perfect for line art, outlines, illustrations, drafting, and hand lettering.Each pen is clearly marked with its nib size on the pen body: 0.15mm (003), 0.20mm (005), 0.25mm (01), 0.30mm (02), 0.35mm (03), 0.40mm (04), 0.45mm (05), 0.55mm (08), 0.75mm (10), 1.0mm (1.0), 2.0mm (2.0), 3.0mm (3.0), Brush marker (BR).
• •Archival-Quality Pigment Ink – Waterproof & Fade-Resistant：XWT fineliner pens use rich black water-based pigment ink that is quick-drying, waterproof, sunproof, acid-free, and non-toxic. No smearing, ghosting, or bleeding through paper – ideal for long-lasting artworks, technical drawings, and note-taking.
• •Smooth, Skip-Free Writing: Engineered with high-quality nylon nibs and a controlled ink flow system, XWT drawing pens deliver consistently smooth, skip-free strokes. Suitable for watercolor paper, tracing paper, vellum, and mixed media surfaces.
• •Compatible with Watercolor, Markers & More: Use XWT art pens before or after watercolor, colored pencils, markers, or acrylics. The ink won't smear once dry. Perfect for bullet journaling, manga, comic drawing, Zentangle, sketching, outlining, and architectural illustration.
• •Ideal Gift: Comes in a durable and reusable plastic storage case for easy organization. A thoughtful and practical gift for students, illustrators, designers, calligraphers, or anyone who loves to create. Great for home, school, studio, or travel.