My Identity Doctor - Pre-Engraved & Customizable Warfarin Medical Alert ID Bracelet, Curb Chain, White Symbol 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 ON WARFARIN 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; Links .7cm, ID 4.5cm x 1.2cm, Free ID card Incld