Inkcool Replacement ink cartridges for HP 88XL C9396AN C9391AN C9392AN C9393AN for HP 88XL Black Cyan Magenta Yellow 4 Pack 1.Packing list: Black-1pcs, Cyan-1pcs, Magenta-1pcs, Yellow-1pcs 2.one year warranty 3.Fast shipment 4.ISO9001Certified 5.Compatible for:HP Officejiet pro k550/k550dtn/k550dtwn/K5400/K8600/L7480/L7580/L7590/L7680/L7780