Measuring 3/5 inches in width and 1 1/16 inches high, this Medical Data pendant is constructed of genuine sterling silver. Choose between a single pendant or a pendant with a 16, 18, 20, 22 or 24 chain. Usually ships within 2-3 business days. NOTE: All medical pendants are engravable. Please contact customer service at 1-866-437-2504 for details.