A food preserver is a person or device that helps to keep food fresh and safe for consumption. Baggy, Saran, ICE, Alumi, and Canner are all solutions to the term FOOD PRESERVER. Baggy is a type of plastic bag used to store food, Saran is a brand of plastic wrap used to cover food, ICE is a natural preservative used to keep food cold, Alumi is a type of aluminum foil used to wrap food, and Canner is a device used to preserve food in jars.