The item is a sterling silver Saint John Neumann silver pendant and chain. The pendant measures 1 x 7/8 inches or 2.54 x 2.2225 centimeters. The back of the pendant is plain and we can engrave it for you at no charge. The chain is a silver 24 inch long curb chain. The chain will have a lobster claw catch. This item is made to order so please allow approximately 4 days before I can ship it. I will supply a pendant box. He is the patron saint of catholic education.