This Brother ink cartridge pack contains two genuine original LC51BK cartridges in black. It is compatible with Brother printers such as LC51 and is ideal for those who need to print professional documents. The ink color is black and the cartridges have an expiration date of 2013. This product is perfect for anyone looking for a reliable and high-quality ink cartridge that will produce crisp and clear text. The pack is suitable for use in office or home printers and is a great value for money.