ND R@ UV resistant Refill Ink for PGI-270 CLI-271(non-OEM) CIS/CISS and refillable cartridges: PIXMA MG7720 (6X250ML-C270) 100% compatible with all OEM printers / ink cartridges. The type of ink is same as OEM ink; Stability:No settling in 2 years (at normal storage); 90% Saving on your Printing Cost. Each Bottle of ink can fill up to 12 cartridges.