The product is a package of 9x RR Donnelley ET-036 4.33" X 984' (110MMX300M) black thermal transfer ribbons. These ribbons are specifically designed for thermal printers and are compatible with the RR Donnelley brand. The black color ensures that the printed text or images are clear and legible. This high-quality ribbon is ideal for use in professional printing applications where precise and professional-looking results are desired.