Your Burgers will keep and look fresher by cutting moisture loss. Your Burgers will store better in the freezer cellophane discs peel straight from the freezer. Your Burgers will taste better, by retaining the moisture all the spices marinade better and give a more succulent burger. Your Burgers will have a better appearance, by restricting air/oxygen burgers will retain their fresh appearance longer. Your Burgers will keep their shape and will not discolour when stacked.