GIFTS INFINITY Custom Engraved Personalized Medical Alert ID Dog Tag, Pendants, Necklace Gifts Infinity Custom Engraved Personalized Medical Alert ID Dog Tag, Pendants , Necklace After you make the purchase please contact us via amazon (Contact Seller) to submit your engraving details. Free Engraving includes 5 lines of text, 15 characters per line on the back side of the tag Size: 1.8 inches x 1 inches - Chain 30" inches 100% Satisfaction Guaranteed