Water-based pigment pens with soft, smooth tips ranging from 0.03 mm to brush size, suitable for art design. The tips of these pens are stable and do not lose their shape even under heavy pressure, and the waterproof pigment ink does not fade or smudge when rubbed. Perfect for sketching, graphics, drawings, creating comics, and Japanese-style illustrations. When drawing comics, pens with a thickness of 0.03 to 0.05 mm are excellent for very fine lines (for drawing eyes and hair), while pens with a thickness of 0.3 to 1.0 mm are ideal for thicker lines and corrections. With the brush tip, you can draw lines of varying thickness and easily cover larger drawing areas. Durable and can be used for marking documents. "For drawing" pens. They are filled with acid-free, non-toxic water-based inks that are highly water- and light-resistant and dry quickly. Suitable for both professionals and amateurs.