Using your Deltana 6 - inch Solid Brass Number 4 is easy. Just find a suitable spot near your entrance, like on the door or next to it, and attach it following the provided instructions. When handling the number, be gentle to avoid scratches. For maintenance, use a soft, dry cloth to wipe it regularly. If it gets dirty, you can use a mild brass cleaner, but make sure to rinse and dry it thoroughly. Keep it away from harsh chemicals as they can damage the finish. With proper care, your Deltana number will look great for years to come.