The material should be Aluminum or Stainless Steel. On #picture 2, the 'M' logo and the 'Mishimoto Automotive' text are engraved.On #picture 1, this should look like the same shape as our radiator cap, but should be a solid material with a keychain ring.The total size for # picture 1 should be 2 x 2 x. 5 thick.The total size for # picture 2 should be 1.5 x 1.5. It is flat metal, so should be3-5 mm thick.For the logo on # picture 1, should be engraved. All shaded areas are different Levels. Each one is engraved, so there is texture.Country:United States