Material: 316L Stainless Steel,Never Rust,Sturdy and Durable,High Quality.Item Size:Width 0.9*1.57 Inches,Come with a free cable chain 20 Inches(50cm),High polish smooth surface and delicate not scratch the skin,go well with other jewelry PEOPLE WITH THE FOLLOWING CONDITIONS SHOULD WEAR A MEDICAL ID JEWELRY:Alzheimer,Autism/Special Needs ren,Blood Disorders,Blood Thinners,Diabetes,Dementia,Drug Allergies (i.e. Penicillin, morphine, sulfa),Emphysema/Breathing Disorders??¡ìo?Epilepsy/Seizures,Food Allergies,Hearing,vision, or mentally impaired,Heart Disease,Insect Allergies,ney Disease,Pulmonary Conditions,Sickle Cell Anemia,Surgery, transplant,cancer patients... Please click"Customize Now"select engraving font and fill in your engrave information then "add to cart",we will get your engrave info from your order,if you want change the engrave info after finish the payment,please contact us with your correct engrave info immediately,we will do our best to help you. We recommend you engrave:Your First and Last Name,Medical Condition(s),Treatment Considerations,Food and Drug Allergies,Emergency Contact Number with area code... GUARANTEE & PACKING:100% Secure shopping.Come with a Fashion VNOX Jewelry gift box or bag,if you have any further question, please no hesitate to post into "Customer Questions & Answers" at the bottom of this page or contact us in e-mail,we will reply you in 24 hours. Personalized Custom Engraving Stainless Steel Emergency Medical Alert ID Dog Tag Pendant Necklace