FoodSaver® GameSaver® Bags are made of heavy-duty multi-ply material and are proven to prevent freezer burn better than freezer bags. Bags contain specially designed channels that allow for block oxygen and moisture. Pre-cut quart bags are convenient for quick use. For use with all FoodSaver® GameSaver® vacuum sealing systems to package and preserve game or catch out in the field. Fielded fresh. Sealed fresh.