Hyoshin Nuka-zuke Master Color: Scarlet From the official website: Easy and delicious! No stirring required! Even beginners can easily make nuka-zuke (fermented rice bran pickles). ○ The three key features of Nuka-zuke Master! No need to stir every day The unique patented container suppresses odors The acrylic container, with its various colors, isn't too big, so it won't take up much space. ○ Vibrant color variations and a compact acrylic container No unpleasant smells With a wide variety of colors, it's stylish as kitchen decor.