Enjoy the feeling of a ball pen and the boldness of a marker with the intensity marker pen. It features a professional wrap and metal clip for a premium look and feel. The intensity marker pen is permanent on paper, but doesn't bleed through it -results could vary based on paper characteristics. These pens are also water resistant and smear resistant when dry! available in 0. 5 mm porous point in Black, Blue, Red, Green and fashion inks.