ND R@ UV resistant Refill Ink for 270 271 PGI-270 CLI-271(non-OEM) CIS/CISS and refillable cartridges: PIXMA MG6822 MG6821 MG6820 MG5722 MG5721 MG5720 (5X250ML) 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.