This bulk set of HP 95 & HP 98 inkjet cartridges include 4 black C9364WN ink cartridges, 1 tri-color C8766WN inkjet cartridges. These LD Products remanufactured ink cartridges have been thoroughly cleaned along with the printhead nozzles. Following the cleaning process, we refilled the cartridge with a professionally manufactured pigment-based ink formula for archival print life and color stability. This ink formula is specially designed to produce vibrant and long-lasting prints comparable to HP. After carefully inspecting the shell for leakage and monitoring the electrical circuitry for efficiency, we put the cartridge through a final print test to be certain it is ready to perform.