Use the Kitchen Vacuum Food Sealer to keep your food fresh longer and save it from air and moisture. The unit is constructed both for family and commercial purposes and basically prolongs the shelf life of the food by 2-3 times. It protects the food color, taste, smell and nutrition. Either you are going to store leftovers, marinate meat or prepare food for sous-vide cooking, this vacuum sealer provides the most complete all-service convenience and trustworthiness that you require for packaging purposes.