The 22-Pen Deluxe Set is the feature pack of the Chameleon Color Tones Product Line, giving you the original 20 markers, plus a Detail and Toning pen. The easy to read deluxe instructions, with useful hints, tips and techniques complete the set. The 20 vibrant colors produce over 100 color tones giving you the ability to create stunning effects such as 3D, smooth transitions, highlighting, shading, gradations and blending, all with one pen. Each pen goes from as light as a hint of a tint to rich tones, eliminating tonal gaps in your collection. One pen blends multiple tones. The Chameleon Color Tones system allow you to do more with less!