The S360 Color Pen Set by Pentel offers a vibrant assortment of fine-point pens filled with water-based ink. The durable fiber-tipped color pens produce fine lines for detailed applications. The airtight snap-fit cap prevents dry out for long lasting performance. Artists and designers enjoy these high-quality pens for colorful drawings, illustrations, and writing. These reliable pens are great for the classroom and general everyday use. The S360 Color Pen Set of 18 includes black, sky blue, red, pink, orange, pale orange, ochre, lemon yellow, light green, olive green, green, turquoise, steel blue, blue, violet, brown, dark brown, and light gray.