These patented heavy-duty FoodSaver bags can be microwaved, boiled and frozen. They are dishwasher-safe and can be reused and resealed with your FoodSaver Vacuum Packaging Appliance. Made of a unique 3-ply FDA-approved material with an outer layer of nylon for strength, FoodSaver Bags provide a moisture and oxygen barrier that protects your delicious food from freezer burn. Choose from Pint, Quart, or Gallon-size bags.