The product is a 4-pack of high-yield toner cartridges specifically designed for HP LaserJet Pro 3301sdw printers. It includes cyan, yellow, magenta, and black toner cartridges with chips for compatibility. The cartridges are manufactured by Premium Toner Cartridge. With a page yield of up to 1,300 pages for black and 1,200 pages for color, this toner set is ideal for high-volume printing needs in a professional setting. Made in the United States, this product ensures high-quality printouts and reliable performance with HP printers.