Tombow Dual Brush Pens are versatile double-ended markers that are perfect for lettering, drawing, journaling, and more. Water-based ink is easily blendable for neat effects! One end of the marker features a large, flexible fiber brush tip that can make strokes of varying sizes and then bounce back to its original shape. It even cleans itself after blending colors! The other side of the marker has a solid fiber fine tip for outlines and fine line writing.