A type of seafood that is derived from whelk, a type of sea snail that is popular in Japanese cuisine. The whelks are cleaned, sliced, and then flash-frozen to ensure their freshness and texture are preserved. The frozen tsubugai whelk slices have a slightly chewy texture and a sweet, slightly briny flavor that is characteristic of whelk. They are a versatile ingredient that can be used in a variety of dishes, such as salads, stir-fries, and sushi rolls. They are a great source of protein and other important nutrients, and they are low in calories and fat. Frozen tsubugai whelk slices are a convenient ingredient to have on hand for quick and easy meals, and they are a popular choice among seafood lovers and Japanese cuisine enthusiasts alike.