This set of Canon GPR-31 toner cartridges is a great addition to your printing needs. It is a genuine/original product that is specifically designed for Canon printers. You can use this set of toners on a variety of Canon models such as iR-ADV C5030, C5035, C5235, C5240. The set includes five cartridges, two black, two magenta and one cyan. These toners are perfect for printing text documents, graphics and photos with accurate colors. They are easy to install and will provide you with exceptional printing quality.