Tianjin Preserved Cabbage (also known as Tianjin preserved vegetable, winter cabbage pickle, preserved cabbage, tung chai, tung choi or tung tsai) is savory, salty, brownish flakes of preserved vegetable and garlic. It is an essential ingredients in Thai and Chinese cooking. Comes packed in a traditional earthenware jar. Add this Tianjin preserved cabbage to soups, fried rice, meat, noodles, or vegetable dishes for flavor. Store in a cool, dry place for up to two years unopened or refrigerate up to one year once opened.