According to Harry Potter Wiki "Mother-of-pearl is a white iridescent material produced by certain mollusc species as an inner shell layer. The wands of American wandmaker Johannes Jonker were noted for their mother-of-pearl inlay."
This pearl headband is what headband dreams are made of. Its great quality, soo easy to wear, and adds such a gorg vibe to your outfit, queen. Very comfy on the head as well!