The Triple Seven gliders concertina bag is designed to give maximum comfort to the wing while its waiting for your next flight.
The side panels hold the wing firmly already before you close the zip which makes it easier to pack your wing. Riser pocket is made to hold them in place dividing them from the rest of the canopy.
With this bag you can be sure, your wing will have all the comfort it needs to stay in a good shape for a long time.
You can find more pictures HERE.