Hi Lisa
the link says they fold down so it should work. I have a couple of these:
http://cdn.shopify.com/s/files/1/0053/4 ... 1366235143from Costco and Sams club and keep them in my car all the time for grocery shopping (milk, icecream, etc) in the summer months. Works great with hot stuff too, but not as easy to transport as the one you linked to as the bags need to be held sideways with sheet trays or larger baking pans.