Colouring your artwork is easy, anywhere, anytime with the nomess, dyebased, koi colouring brush pens. 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 odourless, waterbased solvent facilitates smooth blending and layering of colours. Koi colouring brushes are a convenient way to add vibrant colour to any sketch, journal, cartoon, illustration or rubber stamps. Use the colourless blender pen to create seamless washes and colour gradations. Applicable for illustration, journaling, sketching, rubber stamping, architectural drawings and manga comic art. Technical qualities are flexible nylon nib, odourless, waterbased solvent facilitates easy blending, 48 colour sets packaged in a reusable plastic case with front clasp. The 48 colour set is organised in a durable, translucent storage box from artbin, dye based ink, for best results, use on a heavy weight, platefinish paper smooth but not coated.