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.