This set of 13 compatible ink cartridges is designed for the Canon PGI-250XL & CLI-251XL series. It includes 3 high yield pigment black (PGI-250XL), 2 high yield black (CLI-251XL), 2 high yield cyan (CLI-251XL), 2 high yield magenta (CLI-251XL), 2 high yield yellow (CLI-251XL), and 2 high yield gray (CLI-251XL) cartridges. Each cartridge is equipped with a smart chip that allows you to track your printer ink levels. These compatible cartridges provide excellent quality results at a fraction of the price of OEM Canon cartridges and are backed by a 2-year guarantee.