Suitable population: Diabetes, epilepsy, autism, allergies, coumarin, warfarin, heart disease, pacemakers, asthma, chronic obstructive pulmonary disease, stroke, cancer, multiple sclerosis, dialysis lung disease, attention deficit hyperactivity disorder (ADHD), Alzheimer's disease, hypertension, children with special needs, etc. Double-sided engraving: Click on "Customize Now" on the right side, and you can engrave any text you want. There are four lines on the front and four lines on the back. If you don't need that many, you can simply write the lines you desire. The laser-engraved text is clear and easy to read. It is high-temperature resistant, waterproof, and highly rust-resistant. Fashion and Safety: Medical alert dog tags feature a simple yet stylish design that reflects your personality, making them suitable for any occasion. The eye-catching Life Star symbol and all information and symbols are laser-engraved rather than printed, ensuring durability while maintaining a refined custom look. This means that the information will last a long time, won't fade, and remains easy to read. Unique Design: Our medical alert dog tag features exquisite front embossing technology, showcg a beautifully detailed medical emblem that is both aesthetically pleg and practical. It can be laser engraved on both the front and back. The dog tag is large enough to accommodate additional characters. The engraved black lettering is clear and visible, ensuring it won't fade over time. High-Quality Sterling Silver: The pendant of the medical alert necklace is crafted from premium sterling silver, ensuring a luxurious appearance and long-lasting durability. This pure silver material is resistant to tarnishing and hypoallergenic, designed to maintain its luster over time. The dog tag measures 38x20x1.5mm, making it a stylish and functional accessory.