The Bab al-Mansour necklace is part of the Casablanca Collection and is made to order in our New York City Design Studio. The necklace is 16"L with a 2"L extender and is made of brass that has been 24 kt gold electroplated. The lobster claw closure makes it easy to put on and take off. Ben-Amun jewelry is handmade and made to order in New York City. Please allow 7-14 business days for production before the ship date.