Official Canadian Style Military Dog Tags. These Identity Discs are the same as used by the Canadian Forces, Canada Army and RCAC. These Canadian Dog Tags ( Identity Discs ) are also the same as Wolverine wears in the X-men movies! Each Canadian dog tag / Identity Disc comes with a 30" chain. Engraved with your personalized miltiary information or personaized message. Select CDN format for "DO NOT REMOVE NE PAS ENLEVER" to be engraved on the back side.