Using these watercolor ribbon hair clips is super easy. Just open the clip and place it in your hair where you want it to stay. You can use them to hold back your bangs or to secure a section of hair. As for the caution, remember this product may expose you to lead and cadmium. Don't let children play with it and always keep it out of reach. To maintain these hair clips, gently wipe them with a soft cloth if they get dirty. Avoid getting them wet for long periods as it might damage the ribbon.