Refillable cartridges for Epson 7700/9700 specifications: 1. The capacity :850ML 2. Could be refilled many times. Easy to refill the ink. 3. Combined with our resettable chip and OEM chip resetter. You also can use it with resettable chips 4. No need the buy the new cartridges,no wast any ink 5. Adopt 850ml capacity bulk ink cartridges, compare with the original cartridges,save more money for you 6. Not damage the printer,no need change the cartridges. Any question can chat with me on-line: Msn: topsagacity(at)hotmail(dot)com SKYPE: topsagacity E-mail: topsagacity(at)163(dot)com topsagacity(at)gmail(dot)com website:www(dot)top sagacity(dot)com Payment Terms©U 100% T/T in advance