THIS PRODUCT IS PERFECT FOR EXTRACTING DASHI, JAPANESE STOCK, WHICH IS AN ESSENTIAL INGREDIENT TO JAPANESE COOKING SUCH AS MISO SOUP, UDON, SOBA, AND RAMEN. SINCE IT CONTAINS TWO DIFFERENT KINDS OF FISH FLAKES WHICH ARE MACKEREL (SABA) AND HORSE MACKEREL (MURO AJI), YOU CAN EXTRACT RICH AND ELEGANT DASHI. IT IS PRODUCED IN JAPAN AND VERY POPULAR AMONG TRADITIONAL JAPANESE CHEFS WHO ARE SEEKING FOR AUTHENTIC DASHI. THERE ARE ONLY LITTLE GROUNDS OF THE FISH FLAKES LEFT IN THE BAG SINCE EXPERTS OF OUR FACTORY TRY TO SHAVE PIECES OF THE FISH TO SAME SIZE OF FLAKES. ALSO, IT IS EASY TO KEEP THE FRESHNESS SINCE IT IS A BAG WITH ZIPPER.