This set of 5 compatible ink cartridges from Go Inks is designed to replace Canon PGI-550 & CLI-551 ink cartridges. The set includes Black (PGI), Black (CLI), Cyan, Magenta, and Yellow inks. The PGI black cartridge contains 23ml, while the CLI black, Cyan, Magenta, and Yellow cartridges each contain 12ml. These cartridges are a direct replacement for OEM versions and are chipped and ready to use. They are compatible with various Canon PIXMA printer models including iP7200, iP7250, iP8700, iP8750, iX6850, MG5450, MG5450S, MG5550, MG5600, MG5650, MG6340, MG6350, MG6450, MG6600, MG6650, MG7150, MG7500, MG7550, MX725, MX920, and MX925.