FoodSaver® Bags and Rolls have not changed. The FoodSaver® bags are still made from the same, highest quality materials. We realize there are other storage methods, like foils, wraps and zipper bags, but these do not provide the same long term protection against freezer burn and spoilage as the patented FoodSaver® Sealing System. Our unique system takes the air our and keeps it out by creating a durable, airtight Heat Seal.