The HP No. 303 Black and Colour combo pack uses a clever combination of technologies to get the best results from just two ink cartridges. In the HP No. 303 black cartridge you’ll find high quality pigment based black ink that gives deep, rich tones that makes text very readable and enhances colours. In the HP No. 303 colour ink cartridge there is a dye based tri-colour ink that renders photographs and other images beautifully. For a small package these ink cartridges really do pack a punch. Order online now and we’ll send your ink out in eco-friendly cardboard envelopes that are easily recycled.