INK4WORK 2 Pack PGI-250XL PGI250 XL Compatible Ink Cartridge Replacement for Canon to use with Pixma IP7220 MG5420 MG6320 MX722 MX922 (Big Black) Ink4work Compatible Canon PGI-250PGBK XL High Capacity Black Ink Cartridge ISO9001 certified. Sold by ink4work Not made by canon.