Color, draw, and write in 30 vibrant colors with this artist's quality marker set! 30 fine-line markers. Sturdy 0.4 mm fiber marker tips give an expressive line but retain their points even with heavy use. Great for detailed coloring, drawing, color-coded note-taking, and more. Rich, brightly colored water-based ink. Hexagonal barrels won't roll away. Storage case measures 10 inches wide by 7-3/4'' high x 6-1/2'' deep.