ND &trade; Brand Dinsink 30ml Black refill ink kit for HP 61 61xl ink cartridge:Deskjet 1000, Deskjet 1050, Deskjet 2050, Deskjet 3000, Deskjet 3050, Deskjet 3050A, Deskjet 3054...The item with ND Logo ND Brand refill ink for HP 61 61xl ink cartridge The item comes with detail refill instruction. You can refill ink for your original ink cartridge. It is a big saving. Highest UV resistant rating on market One bottle has 30ml Black ink The ink quality is same as OEM ink