Original MedicAlert&reg; Stainless Steel Medical ID Bracelet. "Penicillin Allergy" The original MedicAlert medical ID with free year of MedicAlert Essential Included Bracelet is personally engraved to communicate your Penicillin Allergy Only MedicAlert medical IDs are connected to our live 24/7 Emergency Response center MedicAlert medical IDs are recognized by emergency professionals and physicians around the world The MedicAlert Stainless Steel medical IDs are made of Premium Quality and built to last.