✓?Note?: 522 epson ink are not sublimation inks,they are dye inks. The ink capacity is 70ml as the text on the label, but in order to adapt to the characteristics of the printer, The bottle we use is 100ml, so even if the ink is not full, it meets the capacity standard. ✓?Cost Efficient with 522 ink?: Simple to refill and don't have to run to the store, work the same as the original, save your time and money. ✓?Reliable Performance?:Compatible epson 522 ink bottle,Print clearly, smoothly.Great saving without compromising quality. ✓?High Page Yield?:Up to 4500 pages per black 522 ink bottle,Up to 7000 pages per color 522 ink bottles ( at 5% coverage on A4 document). ✓?522 ink refill Bottles Compatible Printer?: Work with EcoTank Expression ET-2720, Workforce ET-4700 ET-2800 ET-2803 ET-4800 Printer. ✓?Package contents?: Compatible T522 522 refill ink bottle,4 bottles total 280ML ( 1 x 70ML 522 Black ink, 1 x 70ML Cyan,1 x 70ML Magenta, 1 x 70ML Yellow ). Easy to refill,not clog the print heads.