hat shark romans 8:28 bible verse - luggage metal chain necklace military dog tag hat shark the dog tag is made of stainless steel with 3d diamond engraved design as shown. the dog tag is 2" x 1.1" in size and can be engraved on the backside (sorry, we do not offer an engraving service). this item also includes a 36" metal chain with a clasp. also, this can be used as a key chain or a luggage tag.