The HP 940XL Black 940 Color Ink Combo Pack is a high-quality OEM ink cartridge set designed for use with HP printers. This combo pack includes four sealed cartridges, with a mix of black and color ink suitable for inkjet printing. The cartridges are compatible with various HP printer models such as the OfficeJet 8000 and 8500 series, ensuring reliable and consistent results. With an expiration date of April 2017, this product offers practical and long-lasting printing solutions for your office or personal use.