Holidays and Traditions What are ID bracelets for? What are ID bracelets for? A medical ID bracelet lets emergency personnel know of any allergies or conditions a person has. Commonly a buyer will have the jeweler engrave a first name on the ID bracelet nameplate. Related Posts:How much does a cicret bracelet cost?What kind of bracelets do girls like?How To Bracelets can be sold.Which is better medical alert bracelet or necklace?