It suggests a solution to a dead space problem which none of the existing refrigerators could solve. Thanks to the specially-designed space equipped with racks for efficient storage of vacuum-sealed foods, it is possible to see all foods clearly at a glance, which used to be in a mess. It is also helpful in keeping foods very fresh for a longer time, as vacuum-sealed pack protects food from air, microorganisms, and mold, and keeps it safe from oxidation, humidity, leakage, and even pests.