RIGHTINK Refill black ink for HP 61 61XL Deskjet 1050 2050 90mL Contents: Three bottles 30ml black ink + Detail refill instruction The bottle with attached syringe ,you could direclty inject ink into cartridge ,make refill more easy and quickly . All products covered by a 100% satisfaction guarantee and 90 days warranty The refill ink kit can refill: 9-12 times for HP 61 Black cartridge; Big Saving, Up to 12 times for hp 61 cartridges. Compatible with HP Printers: Deskjet 1000; Deskjet 1050; Deskjet 2050; Deskjet 3000; Deskjet 3050; Deskjet 3050A; Deskjet 3054