The item is a sterling silver Our Lady of Olives silver pendant and silver curb chain. The chain measures 45.72 centimeters or 18 inches long and it will have a lobster claw catch. The pendant measures 3/4 x 1/2 inches or 1.905 x 1.27 centimeters. The back of the pendant is plain and we can engrave it for you at no charge. Patron Saint of protection against lightning strikes. I will provide a pendant box.