BUBU Bird 711XL 711 XL Ink Cartridge 5 Pack Ink Cartridge Replacement for HP Printer Designjet T120 24 inch T520 Printer Ink Cartridge (2 Black, 1 Cyan, 1 Meganta, 1 Yellow) Compatible For HP DesignJet T120 24-inHP DesignJet T520 24-in HP DesignJet T520 36-in Printer High Yield: Up to 2500 Pages per 711xl Black ink cartridge & 1500 pages per 711xl Color ink cartridges at 5% coverage. Package Contents: 5 Pack of BUBU Bird Remanufactured ink cartridges for HP 711xl- 2 Black, 1 Cyan, 1 Magenta, 1 Yellow Warranty: a 1-year warranty / Shelf Life: 18-24 months. Any questions, please feel free to contact us for technical support, replacement or refund. BUBU Bird Remanufactured Ink Cartridge Replacement for 711xl have been awarded ISO9001 certification, and we have independent laboratories periodically verify product quality to ensure a smooth user experience