COPIC Sketch is the ultimate flexible graphic marker. Its double ended iconic design features a flexible brush nib as well as a medium broad nib great for expressive strokes, building up tone, blending colors, shading, finer details and lines, and large streak free coverage. Color codes and names can be found on both end caps, designed to be displayed with easy navigation and to help plan the perfect blends and color schemes. Refillable, smooth blending capability and made with the highest grade of expertly formulated alcohol and dye-based inks.