Also, here is a similar product.

https://www.shelfpack.com/

My thoughts: could be handy for the right packing situation, but in going for efficiency, it adds different types of inefficiency.

I'm interested in hearing reviews from real people who have used these types of bags.

Edit: Here's an old thread on Shelfpack:

http://www.flyertalk.com/forum/trave...shelfpack.html