Chameleon Color Tones Pens are alcohol-based Pen that gives you the ability to change the color tone of your pen, to create stunning effects, smooth transitions, highlighting, shading, gradations and blending. The pen goes from a light hint of tint to rich tones of color, eliminating tonal gaps. The pen is compatible with other alcohol-based inks, is non-toxic, has a low odor, and ideal for all paper crafts, manga, graphic and fine art. Colorless Blender CB- A double ended pen with super soft brush and bullet nibs and the colorless toning medium used in the mixing chamber. Use to overlay, lighten or continue blending already applied color. Use over any color to add texture and patterns.