The product is a 2-pack of W1380A 138A toner cartridges compatible with HP LaserJet 3001dw, 3001fdw, and 3101fdw printers. Manufactured by Teletoner, these black toner cartridges have a page output of 1,500 pages each and come with a manufacturer warranty of 2 years. They are designed for laser print technology and are compatible with the specified HP models and printers. This product is a cost-effective and reliable option for those in need of high-quality toner cartridges for their HP printers.