This is 4-Pack compatible / remanufactured Brother HL4040CN / 4070CDW toner cartridges. Includes 1 each TN115BK (black) TN115C / TN115M / TN115Y (cyan / magenta / 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 money but also provide a high quality product to ensure long term customer satisfaction.