The NEW HP 901XL/901 Black/Tri-Color Combo Pack Ink Cartridges is a genuine/original product manufactured by HP in Singapore. This ink cartridge combo pack includes both black and tri-color cartridges, suitable for use with HP Officejet printers. With an expiration date of November 2012, these cartridges are designed for inkjet print technology and offer high-quality printing results. The combo pack contains a total of 1 unit, making it an ideal choice for those in need of both black and tri-color cartridges for their printing needs.