A convenient, no-mess way to add vibrant color to any sketch, journal, cartoon, illustration, or rubber stamp project. These pens perform similar to an artist brush. Make fine, medium, or bold brush strokes just by changing the amount of pressure to the nib. The durable tip will quickly spring back to its original shape. The odorless, water-based solvent facilitates smooth blending and layering of colors. Use the colorless blender pen on these transparent ink colors to create seamless washes, color gradations, and a multitude of hues and effects. Set contains 2 blenders.