This product is a set of four unbranded black ink cartridges designed for use with various Canon PIXMA printers, including the iP5200R, iP5300, MP500, and MP530 models. The cartridges are compatible with the Canon PGI-5 print technology and are suitable for inkjet printing. This multi-pack of black ink cartridges offers a cost-effective solution for producing high-quality printouts with your Canon printer.