Canon XL ink cartridge in black, rated for approximately 5000 pages and designed for pixma iP7240, iP8740, MG5440, MG5540 and MG5640. It's a genuine like-for-like consumable, helping keep print quality and running costs consistent for as long as the printer's in service. After comparing online prices, www.marvel.co.za should be the cheapest on this product.