For LINING or TRIBAL, one bottle for both. Just like its name, lining black is perfect for outlining, thick or fine. Solid beautiful lines with good flow, lines have never been this black before guaranteed! You can also use it to fill in solid black areas or tribal deep black with a bright look when healed. This ink does not bleed out your lines, Not recommendable for shading, way too concentrated! All of our colors are made with the highest quality organic pigments. Solid Ink is easy to work with, super bright and heals solid. They are very concentrated to ensure maximum color saturation.