Medical Alert Pet ID Tags with medical alert symbol on the front are engravable on the front and back. It is so important for your pet to wear a medical alert tag if they are on medications or have issues that need to be communicated if you are separated. These Cat ID Tags or Dog ID Tags sport the medical alert symbol on the front and are engravable on the front and back. Available in small size for small dogs or cats and large size for medium to large breed dogs. Please list the most vital information on these tags.