Using this collar is easy. Just put it around your dog's neck and adjust it to fit comfortably. Before ordering, make sure to measure your dog's neck accurately to get the right size. When personalizing, take your time to select the color, thread color, and font you like. As for maintenance, you can wash the collar with mild soap and water when it gets dirty. Avoid using harsh chemicals as they might damage the nylon. Keep it in a dry place when not in use. If you notice any signs of wear and tear, it's best to replace the collar to ensure your dog's safety.