Create gorgeous watercolor effects with this bristle brush lettering pen set! 24 vivid colors blend beautifully by themselves or with water from the water brush (included). Perfect for lettering, painting, coloring, sketching, and so much more. 24 brush pens -- 24 vibrant colors! Includes a water brush for blending. Fine nylon bristle tips. All-in-one artist's set comes packaged in a sturdy plastic case that measures 7-1/4'' wide x 7-1/4'' high.