If you can't quite see (I certainly can't), and you're too lazy to hit the link for a larger image (and, really, how lazy is that?), it's a canvas bag meant to sit on your running board (your car has a running board, right?) so your dog can ride safely and comfortably and not stink up the car. Photo Basement thinks this is Quite Possibly The Worst Invention Ever.
I'm not sure I'd go that far. I can think of plenty of worse ideas than this. You probably can too. Cordless jump rope. Weed-cutting golf club. New Coke. Cell phones.