This is 4-Pack compatible Xerox Phaser 7100 toner cartridges. Includes 106R02605 (2 black), 106R02599 / 106R02600 / 106R02601 (1 each 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.