This is a compatible magenta toner cartridge designed for Canon printers, specifically models MF628CW, MF8230CN, and MF8280CW. It is a single unit of red and magenta colour, suitable for use in Canon i-Sensys LBP7100CN, LBP 7110CW, and MF623CN printers. This toner cartridge is part of the Printer Ink, Toner & Paper category and is ideal for those looking to replace their existing Canon 731 toner cartridge with a compatible alternative.