This is 4-Pack compatible / remanufactured Kyocera Mita FS-C5020N C5025 C5030N toner cartridges. Includes 1 each TK512K (black) TK512C / TK512M / TK512Y (cyan / yellow / magenta). 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.