Fineliner Color Pen Set,0.38mm Nib Sizes Comic Professional Sketching Drawing and Inking Pens 10 Pack,Perfect for Coloring Book, Bullet Journaling and Note Taking 10 bright and vibrant colors, NO Duplicates,anti-skip, write smoothly.Size: 15.5cm/6.1 inch 0.38mm fine tips,tiny point, perfect for those small intricate illustrations in coloring books that you often have a hard time not coloring outside of the line because the tip is to big True to color, matt black cap and penholder,pens are small and easy to hold. Please put the lid on when not use, in case it become dry Using tips: Generally speaking, it will not bleed through paper unless you have a heavy hand. If you do not know how to use these, please remember that the longer you hold and press down, the more the color will bleed. So quicker strokes for achieving solid outlines will be best Multifunctional fineliner color pens, perfect for unisex adults,teens and kids to use for bullet journaling ,note taking,coloring in coloring books, write in your planner, calendar, and at the office,drawing or making DIY cards/photo albums