Thor God Hammer Sign Symbol Pet ID Dog Cat Tag Identification Personalize Custom Bone Hear Shape with Key Ring One side of the image One side of your pets name/ address (UP TO 4 LINES MAX. 20 CHARACTERS PER. LINE). Material: Aluminum Tag Size: 1.5"x 1"x0.45" for Bone Tags Tag Size: 1.3"x 1.4"x0.45" for Heart Tags