To wear this Julie Vos necklace, simply open the adjustable toggle and put it around your neck. Then close the toggle to your desired length. As for care, avoid exposing it to harsh chemicals like perfume or cleaning agents. You can gently wipe it with a soft, dry cloth to keep it shiny. Store it in a jewelry box or a soft pouch to prevent scratches and tarnishing. If it gets wet, dry it immediately to maintain its quality.