Case Size: 1/1 gal. Kikkoman Soy Sauce is a rich, umami-packed sauce, perfect for marinades, stir-fries, and dipping. Kikkoman Soy Sauce (1 gal) offers the classic, rich flavor that Kikkoman is known for. It’s ideal for marinating meats, seasoning stir-fries, and dipping sushi, adding a deep umami flavor to any dish.