Our Vacuum Sealer preserves freshness on your food as it reduces air and limiting bacterial growth on your food. That would cause your vegetables, meats and liquids to spoil so easily. Simply assemble several sandwiches at once, and then seal them in individual bags and freeze them.Sealing your food blocks growth of mold, fungus and bacteria that are responsible for ruining the taste, appearance and texture. It also creates an extra space in your fridge with the airtight bag packaging.