About this item • Unique Sepia Ink: sepia micro pens uses highly saturated sepia pigments, unlike the touch provided by black lines, sepia ink makes the lines in the drawing subtle, giving it some elegant vintage flair. Paired with watercolor painting, the drawing is softer and added dimension to drawing. Let's do a variety of bold creative attempts, such as painting some tree trunks, tree houses, autumn scenery, landscapes and portraits. • 12 Assorted Tip Sizes: art drawing pens set contains 12 different nib sizes for you to choose from, encompassing micro fine-point and brush tips: 005 (0.23mm), 01 (0.25mm), 02 (0.3mm), 03 (0.35mm), 04 (0.4mm), 05 (0.45mm), 06 (0.50mm), 08 (0.5mm), 10 (1.0mm), 20 (2.0mm), 30 (3.0mm), BR (Brush). Unleash creativity with different sizes lines, great for sketching and illustrations, journals, etc. • Archival Ink: fine point pens are richly pigmented with Japanese archival ink, and the pigment ink is derived from a single pigment for color consistency. These drawing ink pens are lightfast, water-resistant, chemical and fade-resistant, bleed-free, quick-drying and pH neutral, so your paintings will always look as crisp as the day you drew them. Great set of waterproof pens for ink drawings and watercolors. • Makes Crisp Lines: Don't worry about fading or smudging. KERIFI fineliners pens are smooth and skip-free writing in crisp that achieves consistent line widths, write without feeling scratchy on the paper. No bleed-through, smears, or feathers on most papers. Dry very fast even on glossy paper. These technical drawing pens perfect for Lines Art and Zentangle Designs.