Easy to use and easy to handle unlike heavy crock jars. Perfect for any kind of pickling from Kimchi to Sauerkraut. E-Jen storage container comes with an adjustable pressing plate that acts as an inner vacuum. Fermentation allows food to retain more vitamins and minerals than other types of preserving. The pressing plate keeps the kimchi/pickles in an airtight space promoting an anaerobic state benefiting the growth of probiotics (lactobacillus). The design and shape of the containers make it easy to store goods in both the refrigerator and in the pantry without taking too much space. The E-jen container's double lids contain the smell most containers, preventing the smell from filling the kitchen or the fridge. The E-jen container is easy to handle and clean. It is dishwasher safe and heat/cold resistant. It is free of BPA, DEHP and lead. All components are made with materials that are FDA approved.