A cooler that could hold a whole deer would be sweet but I would think it would have to be a big box(rectangle). I got a place that would be nice to hunt on my way into work but I don't have the time to quarter it out. Just field dressing one is 20 mins for me. A deer sitting in the back of my van with 50 or higher temps wouldn't be pretty. May some one would know how much ice it would take to cool a deer down to 45 degrees.
In my case I would not want to but the ice on the deer but around it like a box in a box.