vitoler dual tip brush markers colored pen,fine point journal pens & colored brush markers for kid adult coloring drawing planner calendar art projects(34 colors pen) vitoler color:34 vibrant color<br> dual tip:brush/extra fine tip<br> function:dual tip brush pens allows you write in both thin and thick lines, providing great versatility <br>and flexibility allowing you to create various styles, sketches and patterns with ease coloring for drawing lines & details, painting, sketch, highlighter, maker, signing etc