Canon CLI-521 value pack ink cartridges containing one of each: cyan, magenta and yellow (3 x 9ml). For use with iP3600, iP4600, MP540 and MP630 printers. OEM: 2934B007. Keep everything you print at the highest level of clarity with this pack of genuine Canon 521 Colour Ink Cartridges. Providing you with one each of cyan, magenta and yellow Canon 521 cartridges, this pack lets you print whatever you want without difficulty. Ensuring that all lines are neat and clear, these cartridges ensure definition that cannot be beaten and provide long-lasting quality with ChromaLife inks. Whether you are printing text or complex, photographic images, these cartridges will provide fidelity to the original image.