The Eternal Ink M Series, designed by Mike Devries and Mario Roseau features 12 1 oz. Eternal Ink colors. The M Series is formulated for portrait work, realism, and monochromatic tattoos. The series features an assortment of portrait tones that were designed to compliment each other. Mixing them on the fly will get you amazing results for your skin tones as well for other elements in your work.