If you didn't get Cargo Management as an option $65. And you dont want to pay $250 from Ford Parts, an easy fix is to make it yourself. This is what I did with a friends Edge. I really should have taken pictures throughout the project to make a "how to" but failed to in my rush to just get it done. Here's a quick write up.
1. Pry the foam insert from the rear of the vehicle. Its easier to work on it on a bench or table.
2. Gently cut out the Styrofoam honeycomb that takes up the inside of the rear tire surround. DO NOT CUT THE OUTSIDE WALLS, ONLY THE INSIDE.
3. With some medium and then fine grit sandpaper, sand smooth all the places you cut out the styrofoam honeycomb.
4. At this point you have three options for finishing off your new cargo organizer.
You can:
A. spray it with paint to seal the foam.
B. Fill it with a light coat of Bondo body filler, sand it smooth and paint it for a cleaner look.
C. Fiberglass it, sand it, and then paint it to match your body color. (You can use cans of DupliColor and Clear you don't need to take it to a body shop)
Sorry I didn't take photos when we did it. I can tell you it came out great! Im planning on doing it to mine when I eventually get one.
Ill post pictures the next time. PROMISE!