The HP Invent 57 C6657AN Tri-Color Inkjet Print Cartridge is a single unit ink cartridge suitable for HP printers. This cartridge is designed to produce high-quality color prints in cyan, yellow, and magenta, making it ideal for various printing needs. The inkjet and thermal print technology ensures crisp and vibrant printouts, while the compatibility with universal HP printers adds convenience. Although this specific cartridge has expired, it may still be used to print documents and images with vibrant colors. Expired.