Get your ink pens refilled with Shark Writing Ink in Royal Blue Colour. The ink is secured in an unbreakable plastic pot with a screw-type cap, so you don't have to worry about dropping and spilling it everywhere unless it is not opened :) The Shark writing ink for fountain pens offers you 60ml of ink. Ideal for school-going students and for stocking at home. So make sure next time your ink pen runs out of ink, you have a backup at your place with shark royal blue ink.