Bright, blendable colors in a brush. Lettering and coloring your artwork is simple with the no-mess Sakura Koi Coloring Brush pens. With a durable tip that will quickly spring back to its original shape. These pens perform similar to a paint brush allowing fine, medium, or bold brush strokes just by changing the amount of pressure to the nib. The odorless, water-based solvent facilitates smooth blending and layering of colors, a convenient way to add vibrant color to any sketch, journal, cartoon, illustration, or rubber stamps. Transparent ink colors blend easily to create a multitude of hues and effects.