Foodsaver Roll and Bag Combo PackAir is the Enemy Air is the enemy of freshness and primary cause of freezer burn and dehydration in foods stored in the freezer, refrigerator and pantry. Ordinary storage methods trap air inside, causing food to lose flavor and nutrition over time. BPA Free Multi Layer Material FoodSaver bags and rolls are made of a unique multi layer material that is BPA free. Their special design makes them safe and strong enough for freezing, microwaving, and