The product is a set of 4 genuine/original laser jet printer cartridges in black/cyan/magenta/yellow colors, specifically designed for HP printers. Compatible with HP printers, the cartridges feature a print technology of laser and are suitable for the 3600 model. The specific models included are Q6470A, Q6471A, Q6472A, and Q6473A, providing high-quality printing results with vibrant colors. This set of cartridges is essential for maintaining a reliable and efficient printing experience for HP printer users.