My Identity Doctor - Pre-Engraved & Customizable Penicillin Allergy ID, Medical Alert Bracelet, Heart Chain BLACK EASY TO READ: #1 Recommended black engraving for yourlife safety with Warranty (see photos) CUSTOM & PRE-ENGRAVED: Customize ID before checkout. Also pre-engraved with PENICILLIN ALLERGY IMPORTANT: Check spelling, phone numbers & grammar when ordering. Cannot be changed or redone SIZING: Medical ID bracelet sized to fit wrist size of 7in/17.8cm or smaller. Can be resized locally High quality hypoallergenic surgical 316L steel; Hearts 1cm ID 4.5cm x 1.7cm, Free ID card Incld