e-jen Kimchi Container Probiotic Fermentation with Inner Vacuum Lid (2.2 Gal/8.5L) E-jen, vacuum and airtight storage container, has vacuum plate (pressing plate) in the middle of the container and movable upward and downward. If you press the plate close to the food inside, the air in the container becomes minimized and blocks air flowing from the head space so it has very similar effect to cans. The vacuum plate makes kimchi inside the kimchi juice so it can keep its vivid colors and is crisp for making kimchi tissues alive and you can taste carbonated like sodas because the carbonate from fermentation of kimchi dissolves in the juice. The pressing plate blocks the air outside and makes kimchi anaerobic state and you can have kimchi with many lactobascilli by helping proliferate them. Advantages in Storing Other Foods **Description copied from e-jen web site.