Inkcool 1 Set + 1 Black of Total 5 Replacement ink cartridges for 88XL C9396AN C9391AN C9392AN C9393AN for hp 88 XL Black Cyan Magenta Yellow 1.Packing list: Black-2pcs, 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