KINGART Fine Line Color Ink Pens, set of 24 vibrant, unique colors - 0.4 mm fine tip for precise detail work. Water-based, archival ink delivers smooth, reliable flow with no skips, blots, smears, or feathering. Non-toxic and ASTM D-4236 compliant, these pens are suitable for drawing, illustrating, coloring books, writing, doodling, and other indoor creative projects. Durable fine tips and a triangular comfort-grip barrel reduce hand fatigue and prevent rolling. Ideal for professionals, hobbyists, and beginners seeking consistent, permanent color. Note: multibin holder not included. Set of 24 fine line pens with 0.4 mm tips, water-based archival ink that is vibrant, permanent, and non-toxic (conforms to ASTM D-4236). Smooth, reliable flow with no skips, blots, smears, or feathering. Triangular comfort-grip barrel reduces hand fatigue and prevents rolling. Ideal for detailed drawing, illustration, writing, doodling, and coloring books; compatible with alcohol markers for finer detail. Note: Multibin holder not included.