This is a set of 12 compatible ink cartridges for Canon PGI220 and CLI221 printers. The set includes 4 pigment black PGI220 cartridges and 2 each of CLI221 black, cyan, magenta, and yellow inkjet cartridges. These cartridges feature a brand new chip that allows for accurate tracking of ink levels, ensuring you are always aware of your remaining ink. Backed by a 2-year guarantee, this economical alternative provides quality printing without the high cost of OEM cartridges.