This is 4-Pack compatible Ricoh SP C430, C431 toner cartridges. Includes 1 each 821105 (black), 821108 / 821107 / 821106 (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.