The product is a lot of 8 sealed Canon Genuine GPR55 toner cartridges designed for use with the Canon ImageRunner Advance C5535, C5540, and C5550 printers. These advanced laser print technology cartridges come in cyan, yellow, magenta, and black colors, making them suitable for a variety of printing needs. Produced in the United States, these high-quality toner cartridges are specifically designed for Canon printers, ensuring reliable and professional results with each use.