The Muchcute Micro Fineliner Drawing Art Pens set includes 12 black fine line waterproof ink pens, suitable for various subjects like manga. These professional art supplies are ideal for adults, kids, teens, and artists, offering a range of 12 tip sizes for precise drawing and sketching. With a round body shape and ambidextrous hand orientation, these pens are perfect for creating detailed artwork on paper and cardboard surfaces. The ink is archival pigment-based, ensuring permanence and water resistance, making them a versatile and high-quality option for crafters and artists.