This pendant is made of stainless steel with an ion-plated* 18K gold finish. This pendant is solid with a flat back. The size of the pendant is 1.25 inches in height, 1 inch wide and weighs approximately 2oz (including chain). This piece is available with a 24-inch necklace, which is 3mm thick. All orders are shipped with a branded velour pouch. *Ion plating is one of the most advanced surface finishing processes in the business. It makes gold plating more durable, more wear resistant, and also has a higher brightness.