To wear this necklace, simply open the lobster closure and fasten it around your neck. You can adjust the length with the 2.5 - inch extension to find the perfect fit. When not in use, store it in a jewelry box or a soft pouch to prevent scratches. Avoid contact with harsh chemicals like perfume, hairspray, and cleaning agents as they can damage the gold plating and the mother - of - pearl. To clean, use a soft, dry cloth to gently wipe the necklace. Don't use any abrasive materials or cleaners. With proper care, this beautiful necklace will stay looking great for years.