Wind the camper down and as you do flip the end flys over onto the roof so they are out of the way. Fold all your canvases in and wind the camper right down, then flip the end flys back over. With two people (one on each outer corner), flip the shade cloth sections neatly over onto the top then grab your poles and hold them along the outer edge. Roll the fly from outer edge back towards the van tightly and evenly together with the poles now being inside the role (they are like the carboard roll in a handtowel roll and give you something to roll the fly onto). When you reach the top, tie each end off using the ties within the bag and then zip it up. We have never had a problem doing it this way as long as we make sure we roll evenly and first fold the shadecloth sides onto the top surface evenly.
Cheers,
Burnsy