GREENBOX HP 564XL Compatible Ink Cartridges for HP Photosmart 5520 6510 6520 7510 7520 7515 C6380 C310a Printer (4 Black 2 Photo Black 2 Cyan 2 Magenta 2 Yellow, 12 Pack) Contents - 12 Pack of GREENBOX Compatible HP 564XL ink cartridges (4 Black 2 Photo Black 2 Cyan 2 Magenta 2 Yellow, 12 Pack) Compatible With - HP Photosmart 5510 5520 6520 6510 7510 7520 7515 C6380 C310a B8550 B8553 C5300 C5373 C5388 C6300 C6350 6383 D5445 D5468 C309 C510 Printers Page Yield - 800pages/Black and 750pages/Color based on average 5% coverage | Shelf life is up to 24-36 months. High Quality - These GREENBOX Compatible ink cartridges contain high quality ink that has been formulated for optimum performance. All cartridges have been tested to ensure a hassle free printing experience. Save Environment, Save Money and Save Time Warranty - All products come with a 1-year limited warranty / Shelf Life: All products have a shelf life of 18-24 months