Made with roughly sliced Hokkaido mountain wasabi. The base is mayonnaise and Japanese-style dashi, which go well with the refreshing spiciness of the mountain wasabi, with black and white pepper added as secret flavors. Comes with a separate serving of domestically produced cut seaweed. Product contents: Mountain wasabi sauce [mayonnaise (domestically produced), corn oil, glucose, salt, horseradish processed products, brewed vinegar, dried bonito extract, burdock root extract powder, reduced starch syrup, spices, (contains eggs, soybeans, and apples)], topping [seaweed]. Instructions: Store away from direct sunlight, high temperatures and humidity.