Using your Deltana 4 - inch Solid Brass House Number 2 is easy. Just find a suitable spot on your front door, mailbox, or wall near your entrance. Clean the surface first to ensure good adhesion. If you're using screws, drill holes carefully. As for maintenance, simply wipe it with a soft, dry cloth regularly to keep it looking shiny. Avoid using abrasive cleaners as they can scratch the brass. If the number gets wet, dry it promptly to prevent tarnishing. With these simple steps, your house number will stay beautiful for years.