The HP 504A Toner Set includes genuine/original cyan, yellow, magenta, and black toner cartridges specifically designed for use with HP LaserJet CM3525 and CM3530 printers. The toner set is sealed and suitable for overbox shipping, making it ideal for resale. With a print technology of laser, this product ensures high-quality printing results with vibrant colors. Compatible with HP printers, this set provides reliable and consistent performance for your printing needs.