Divoti Custom Engraved Black & Silver 316L Medical Alert Necklace-Dog Tag-24 Stainless Ball Chain Easily provide your custom engraved content by selecting the CUSTOMIZE NOW button to the right. QUICK 2-DAY PROCESSING! Custom engraved in high contrast black laser engraving to personalize your medical message (4 lines incl. 18 Characters Per line, included spaces) + NEW ANTI-FADING PROCESSED ADDED: CITRIC ACID PASSIVATION (see photo)! Hypoallergenic 316L medical alert necklace and comes with 24" Stainless Ball Chain Deep embossed caduceus symbol with hard enamel filled on the front of medical alert necklace. Excellent wear resistance. Includes free customizable medical alert wallet card, medical alert smartphone apps and Velvet gift bag.