Roll ControlSimplifies packing by locking the edges of the bag together to keep your bag straight as you roll it up. | Quick CordSnaps and locks, eliminating the need to tie or knot the cord after the bag has been rolled, for easy 1-person packing. | ZipPlowUses a zipper guide to push fabric away from the zipper's teeth for snag-free opening and closing. | Comfort CuffAdds plush material to the edge of the bag, giving you soft, relaxing comfort close to your face while you sleep. |