The product is a 4 pack of CE255X 55X high yield black toner cartridges for HP Laser printers. These cartridges are designed for use with specific HP printer models, including the P3015d, P3015x, P3015n, P3010 Series, and Enterprise 500 MFP M525dn. With a high yield capacity, these laser print cartridges ensure long-lasting and high-quality printing performance. The product is new and open box, offering reliable and efficient printing solutions for your office or business needs.