This combo consists of the following: 1 x Canon PGI-520XL Compatible Black Ink Cartridge 1 x Canon PGI-521XL Compatible Black Ink Cartridge 1 x Canon PGI-521XL Compatible Cyan Ink Cartridge 1 x Canon PGI-521XL Compatible Magenta Ink Cartridge 1 x Canon PGI-521XL Compatible Yellow Ink Cartridge SMART CARTRIDGE compatible PGI-520XL Black PGI-521XL Black PGI-521XL yellow, PGI-521XL Cyan, PGI-521XL Magenta Colours: Black, Cyan, Yellow & Magenta Canon PGI-520XL/PGI-521XL ink cartridge is compatible with the following printers: - MP540 - iP3600 - MP640 - MP980 - MP620 - iP4600 - MP630 - MP 550 - MP 550 - MP990 - IP4700 - MP560 - MX870 - MX860 Canon PGI-520XL/PGI-521XL Canon PGI-520XL/PGI-521XL ink cartridge is produced with brand new recycled materials and manufactured under ISO 9001, ISO 14001 and UKAS quality assurance standards to ensure an extremely high-quality product. Our cartridges are not remanufactured and not second hand. SMART CARTRIDGE is 100% compatible with original OEM cartridges, and far more affordable. This means big savings for your business, in fact up to 75% savings. What's in the box 4 X INK CARTRIDGE