The product is a 4-pack of authentic HP 923 ink cartridges in black, cyan, magenta, and yellow colors (B/C/M/Y). These genuine/original cartridges are designed specifically for HP printers and have a warranty expiration date of September 2025. The model number for this product is 6C3Y6LN. This pack of ink cartridges ensures high-quality printing results with vibrant and long-lasting colors, making it a reliable choice for both home and office use.