should find a journey in a car a pleasure and be able to see where they are going. so if you were going down the crate idea a wire one is a much better idea. i have to say even the harness and seat belt system is not entirely safe. a few weeks ago i was going on a fairly long journey with only one of mine who i put in the front on a nice soft bed next to me, in her harness and seat belt when she decided she wanted to be in the back, while i was driving on a busy a road she tried to leap 