This product suppresses oxidation by creating a vacuum inside the bottle and maintains the taste of sake. Insert the attached high-density stopper into the bottle and cover the main body over the stopper to automatically activate the built-in pump. It creates a vacuum inside the bottle. After stopping, remove the main body and store the bottle with the stopper attached. According to the company, it can keep its fresh taste for about two weeks after opening.
There are two body colors, "black pottery color", which is reminiscent of pottery that feels good to the touch, and "blue and white porcelain color," which is the image of glass-like glossy and transparent porcelain. It will be sold at the Osawa e-shop operated by Denso Sales and at each dealer.