This is 4-Pack compatible HP Laserjet M880z toner cartridges. Includes 1 each 827A / CF300A (black), 827A / CF301A (cyan), 827A / CF303A (magenta), 827A / CF302A (yellow). Each toner cartridge is manufactured to be comparative to the original in terms of quality and page yield. Extensive testing and R&D have enabled us to produce cartridges that will not only save you monebut also provide a high quality product to ensure long term customer satisfaction.