Sterling Silver Round Medical Identification Pendant with Antique Rope Frame 7/8" diameter. This pendant has a medical caduceus symbol with red enamel on the front and a smooth surface on the back so you can engrave your allergies and medical condition. Medical ID jewelry is designed to be recognized by medical technician in an emergency when you are unable to speak for yourself. Many of our medical jewelry are in stock and ready to ship in 24-48 hours. Please allow 2 business days if engraving is required.