ND &trade; Brand Dinsink 5X4OZ(1PK+1BK+1C+1M+1Y) refill ink kit for HP 564 cartridge:PhotoSmart B209a, PhotoSmart B210a, PhotoSmart B8500, PhotoSmart B8550, PhotoSmart B8553, PhotoSmart B8558, PhotoSmart C309 Series, PhotoSmart C309a, PhotoSmart C309g, PhotoSmart C310a...The item with ND Logo! *Dinsink is the exclusive reseller of ND Products of high quality printing supplies on Amazon.* 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 5X4OZ ink This ink quality is same as OEM ink