ESTON 63 / 63XL Ink Cartridge Refill Kit (6 x 30 ml Black + 2 x 30 ml Cyan + 2 x 30 ml Magenta + 2 x 30 ml Yellow) Packing List: 6 x 30 ml Black Refill ink + 2 x 30 ml Cyan Refill ink + 2 x 30 ml Magenta Refill ink + 2 x 30 ml Yellow Refill ink + Thumb Drill + refill instruction More feature : 1.High color saturation,high fidelity. 2.Ultrafiltration,no clogging caused. 3.Weak acid or alkalescent formula,no corrosion problems. 4.No bleeding,no smear,high print quality. 5.Quick dry formula,satisfaction at high speed printing. 6.Water base formula,no toxicity,no chemical hazards,no environment pollution The refill ink kit can refill : 6 times for 63 Black Cartridge; 8-10 times for 63 color cartridge; 4 times for 63XL Black Cartridge; 6-7 times for 63XL color cartridge For use in the following printers: Deskjet 1110, Deskjet 1112, Deskjet 2130, Deskjet 3630, Deskjet 3632 ENVY 4520 All-in-One, ENVY 5540 All-in-One, OfficeJet 3830 All-in-One, OfficeJet 4650 All-in-One GUARANTEED : If for any reason you are not satisfied with our products, you can return or exchange within 2 weeks of receiving shipment. Your purchase is covered by a 1 year replacement warranty if the product doesn't work well.