Using this door bumper is easy. Just find a suitable spot on the wall near the door, mark the position according to the flange size, and then install it. When installing, make sure the wall surface is clean and flat. As for maintenance, you can simply wipe it with a soft, damp cloth regularly to keep it looking new. Avoid using abrasive cleaners as they may scratch the stainless - steel surface. Also, check the bumper and post periodically for any signs of wear or damage and replace parts if necessary.