Using the Deltana 4-Inch Solid Brass Number 5 is easy. Just find a suitable spot on your door, wall, or mailbox where you want to display it. You can use appropriate tools to attach it firmly. When it comes to maintenance, simply wipe it with a soft cloth regularly to keep it clean and shiny. Avoid using harsh chemicals or abrasive materials as they may damage the finish. Also, make sure to check the installation periodically to ensure it remains secure. This way, your solid brass number will stay beautiful and functional for a long time.