Store the salt,flavor and valuable sauce to ensure the good taste.Power by 4x1.5V D size Sales Points: 1)Vegetable,bread and fresh:keep water content and away from fly.2)Biscuit and desert:keep your biscuit,desert and snack fresh.3)Store the salt,flavor and valuable sauce to ensure the good taste.4)Penetrate souce into meat and vagetable easily in vacuum condition.good vacubox for pickled food.5) ...