The Pigma Graphic Pen is specifically designed for graphic artists and crafters, with its high-quality pigmented, quick-drying ink that will not smear or feather once dry. Good for graphic design, cartoons, sketching, free-hand illustrations, calligraphers and tole craft or as a bold line pen for general writing.Details:Available in multiple colors1 mm bullet tipQuick-drying, Fade-resistant, Smudge-freeWon't smear, feather, or bleed through most papersWrites on papers such as 100% cottonConforms to ASTM D 4236