The Stainless Steel Dog Tag Double (2 Tags on 1 chain) allows up to 6 Lines of Emergency Identification Information on the front and the Internationally-recognized Medical Logo on the back or further Information as desired (6 extra lines). The same info can be on the 2nd Tag or can be used for more info. Professionally Laser Engraved to the finest detail which will not rub off or discolour under normal wearing circumstances ensuring durability. Includes a ball chain of around 60 cm. It speaks on your behalf should you not be able to.