The product is a 6-pack of ink refill bottles compatible with EPT552 and ET-8550 ET-8500 printers. These bottles contain water-based ink in various colors: black, cyan, magenta, yellow, pure black, and grey. The package dimensions are 6.06x4.96x3.62 inches, and each bottle has a page yield of 9000 pages. This ink refill set is designed for use with A4, 4x6 inch, and 5x7 inch media sizes, making it suitable for diverse printing needs. Ideal for those looking to refill their printer ink efficiently and cost-effectively.