1.)Handy 7-pack: 2 x black, 1 x cyan, 1 x magenta, 1 x yellow, 1 x Light Cyan, 1 x Light Magenta remanufactured ink cartridges replacement for Epson 277 277XL T277120 T277220 T277320 T277420 T277520 T277620 2.)Page Yield: Up to 300 pages per black cartridge & 300 pages per color cartridge (based on 5% coverage) 3.)Compatible Printers: Epson Expression XP-850, Expression XP-860, Expression XP-950, Expression XP-960 Expression XP-970 Printer 4.)All Inkway replacements for 277 XL 277XL ink cartridge are strictly tested with industry 5.）quality control processes to perform high-quality printout and show accurate ink level. All products are manufactured in an ISO9001 & ISO14001 certified facility 6.）INKWAY Remanufactured Ink cartridges are recycled from the OEM ink cartridge and undergone a rigorous process of cleaning, restoration and refilling.