Medical Alert Tags. These tags all come with a roll ball chain to go around your neck. These tags are great in an emergency if for some reason you cannot inform someone of your medical condition. Please keep chains away from small children. Medical Alert Tag - Diabetic tag1$3.00 Medical Alert Tag - Allergic to Penicillin tag2$3.00 Medical Alert Tag - Allergic to Sulfa tag3$3.00 Medical Alert Tag - Allergic to Peanuts tag4$3.00 Medical Alert Tag - Alzheimers tag5$3.00