Unleash your creativity with the Pentel Art Brush Pen Set, featuring all 18 vibrant colors including Black, Blue, Red, Yellow, and more. Perfect for calligraphy, illustrations, and painting, each brush pen is equipped with a flexible nylon tip that offers precise control and smooth application. The water-based dye ink ensures vibrant, clean, and consistent results. Refillable cartridges make this set an eco-friendly and long-lasting choice for artists of all levels.