The CLI -521Y is a great option for anyone looking for bright yellows and realistic colours in their photos. The colour can be used with flexibility, both at home and outside, such as within offices. The colour can make all your documents look improved, so that it will look professional and formally done. Every cartridge comes with 11.5ml of the best yellow ink to make sure that everything yellow on your pictures will look exactly the way you want it to be. If you are looking for bright yellows, the CLI-521 is the perfect choice. This cartridge works with Canon IP 4600, Canon IP 3600, Canon MP 620, Canon M 540, Canon MX 860, Canon MP 550, Canon MP 560, Canon IP 4700, Canon MP 980, Canon MP 630, Canon MP 640, and the Canon MP 990.