Dog Tags Pet Tags Engraved Designers Crystal Round With Hearts by Cnattags Size: 1.4 inches x 1.2 inches. 3.6 cm x 3.1 cm. Thickness: .046" (1.17 mm) Please leave the engraving information on the gift message box at check out or by sending us a message Please use the following format as an example : Line 1: Name Line 2: Phone Number Line 3 Phone Number