Does anyone know what this 'Repair Kit' is rather than the spare tire? Some sort of tire patch kit or is it a can of fix o'flat?

I saw the 8 in detroit and poked around in the trunk and all I could find was a jack. I didn't see anything that looked like a 'repair kit'. Although on the right rear wheel well there were straps where something had apparently been. Any idea what that might have been?

J