Pendant is stamped with a heartbeat stamp The horizontal pendant tag is approximately 1 1/2- 1 3/4" long and is aluminum. It is hand stamped and made to order, so variations in spacing could occur. The chain is a silver plated link chain approx. 17" in length. It has a silver plated lobster clasp for closure. Please choose between a high polished finished or a high polished hammered finish.