The beetle tip 3 way marker pen is a pen that has 3 different functions, a highlighter, a pen, and a double lined pen. The highlighter is a 3mm wide part of the pen that is made for highlighting text, the pen part is a regular 1mm wide marker for making regular lines, and the double lined marker is great for circling stuff, or to get extra attention to text on a page. The 3 way highlighter pen is great for students who prepare for tests, and great for slackers who like to doodle in class. The beete tip markers come in a set of 5 colors with blue, green, yellow, orange, and pink, and they pens are just over 6 inches long.