10 Pack Replacing for Canon PGI-250XL, CLI-251XL (PGI-250XL: 2 Thick Black, CLI-251XL: 2 Cyan, 2 Magenta, 2 Yellow and 2 Small Black) Compatible With PIXMA IP7220, iX6820, MG5420, MG5422, MG5520, MG5522, MG6420, MX722, MX922 Series Printers. Replacement Ink Cartridge Not- OEM Product's , Compatibility For Canon PIXMA IP7220, iX6820, MG5420, MG5422, MG5520, MG5522, MG6420, MX722, MX922 Series Printers. Page Yield at 5% Coverage: PGI-250XL Black is 500 pages per cartridge. CLI-251XL Cyan, Magenta, Yellow and Black : Yields up to 330 Pages To Replace Toner Cartridges with part numbers: PGI-250XL: Lager Black, CLI-251XL: Cyan, Magenta, Yellow And Black. All our items are certified with ISO 9001 and ISO 14001 , Generic. All products covered by a 100% satisfaction guarantee and 90 day warranty with ReInkCo.