Dog Tags Pet Tags Engraved Designers Outline Bone by Cnattags Size Small: 1.29 inches x 0.78 inch. 3.3 cm x 2 cm. Thickness: .046" (1.17 mm) Size Large: 1.77 inches x 1.18 inch. 4.5 cm x 3 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(Front)): Name Line 2(Back): Phone Number Line 3(Back): Phone Number Personalized Pet Tag we can engrave in "ANY LANGUAGE"