This is an eccentric design with combination of 3 ink colours and 1 highlighter for writing while also allowing highlighting. As a result, The combination provides the convenience of carry one pen serving 4 purposes – Blue, Black Red ink pens and additional highlighter. This is not only useful but also stylish & compact. Highlighter ink is specially formulated with unique combination of the tip for excellent performance. The pen also comes with a comfortable grip that helps in effortless writing.