With this high capacity compatible HP 304XL ink cartridges multipack, you'll enjoy sharp, consistent prints for all your documents. The HP 304 ink cartridge has a page yield of up to 300 pages, so it's ideal for high volume printing. In addition, the ink is fade resistant, so your prints will always look sharp and vibrant. And because it's a high yield cartridge, you'll get more bang for your buck. With this 304XL multipack, you'll always have an extra black HP 304 cartridge on hand, so you'll never have to worry about running out of ink. The cost per page is 3.89p, and the ink volume for black (N9K08AE) is 6ml and 7ml for colour (N9K07AE). We offer a 100% satisfaction guarantee if not satisfied with the product, making it a risk-free purchase. The HP304 printer cartridges are very easy to install and the print quality is amazing, making them a great choice for all your printing needs.