This 10k Yellow Gold Medical Bracelet features an oval plate that measures 1 1/8 inch length x 5/8 inch height. The plate has a raise medical caduceus emblem on the front. The chain is 4mm wide. This bracelet is available in 7.5", 8", 8.5" and 9 inches in length. Medical ID jewelry is design to be recognizes by medical technician in an event of an emergency. It can save your life.