4 Pack Compatible Canon PGI-250 , CLI-251, Canon 251, Canon 250 1 Small Black, 1 Cyan, 1 Magenta, 1 Yellow for use with Canon PIXMA iP7220, PIXMA MG5420, PIXMA MG5422, PIXMA MG6320, PIXMA MX722, PIXMA MX922. Ink Cartridges for inkjet printers. CLI-251BK , CLI-251C , CLI-251M , CLI-251Y &copy; Blake Printing Supply