This is a compatible Canon CLI-581 XXL magenta ink cartridge which has been designed to work flawlessly with your Canon Pixma printer. Each cartridge is updated with the latest chip, guaranteed to work in your printer. The compatible Canon CLI-581 XXL magenta is a high capacity ink cartridge and contains 11.7ml of premium high quality ink. Printing approx. 747 pages @ 5% average coverage. Quick and easy to install, all compatible CLI-581 XXL ink cartridges are ready to go out the packet for convenience. TR7500, TR7550, TR8500, TR8550, TS6100, TS6150, TS6151, TS6200, TS6250, TS6251, TS6300, TS6350, TS6351, TS705, TS8100, TS8150, TS8151, TS8152, TS8250, TS8251, TS8350, TS8351, TS8352, TS9100, TS9150, TS9155, TS9550, TS9551C