This Lexmark remanufactured valuepack contains one black 18C0034 and one colour 18C0035 cartridge that have been recycled from empty Lexmark original cartridges. In addition to being a lower cost these remanufactured units represent a more environmentally friendly way of running your printer than with the Lexmark original 18C0034 and 18C0035 cartridges.As remanufactured cartridges, these 18C0034 and 18C0035 have been recycled from empty original Lexmark cartridges which have been fully tested and as such they come with a 100% satisfaction guarantee.