Chameleon Color Tones Pens are alcohol-based marker 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. Detail D- A double ended pen with two fine line nibs, 0.6mm and 0.4mm, containing dye-based ink that is permanent when dry and compatible with alcohol-based ink. Use for illustrating, outlining and to accent stamping. Will not smear when combined with other chameleon pens.