This set includes four remanufactured HP 910XL high-yield ink cartridges: one each of black, cyan, magenta, and yellow. These cartridges are original HP cartridges that have been cleaned, inspected, and refilled, ensuring reliable performance. Choosing remanufactured cartridges offers a cost-effective alternative to original HP products without compromising on quality. Backed by our 100% Quality Satisfaction Guarantee.