Using the Deltana 4 - inch Solid Brass Number 6 is easy. Just find a suitable spot on your home or business exterior where it can be clearly seen, like next to the door or on a mailbox. Use appropriate tools to securely attach it. As for maintenance, simply wipe it with a soft, dry cloth regularly to keep its shine. Avoid using harsh chemicals as they might damage the finish. If it gets dirty, you can use a mild soap and water solution, then dry it thoroughly. This will help the number last a long time and keep looking great.