Mr. Pen drawing pens feature an assortment of 16 black multiliners with tip sizes ranging from the delicate 0.05 mm to the bold 3 mm, accommodating a wide variety of drawing styles and techniques. The pens boast a high-quality, deeply pigmented black ink that ensures vibrant lines for impactful and professional-looking artwork. Crafted with longevity in mind, each pen is designed to resist tip fraying, allowing artists to maintain precision and cleanliness in their work over time. Suitable for a range of applications, from detailed technical drawings to freeform sketches, these pens are a versatile addition to any artist's, architect's, or student's toolkit. The water-based, non-smudge ink makes these pens a safe and responsible choice for creatives of all ages, encouraging use in diverse environments such as schools, studios, and homes.