This is 4-Pack remanufactured Dell H625 / H825 / S2825 toner cartridges. Includes 1 each 593-BBOW (black) 593-BBOX (cyan) 593-BBOY (magenta) 593-BBOZ (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.