Case Size: 12/18 oz. Lee Kum Kee Premium Oyster Sauce is a high-quality, rich sauce made with oysters, perfect for Asian dishes. Lee Kum Kee Premium Oyster Sauce (18 oz) is a rich, savory sauce made with oysters, providing an authentic, deep umami flavor. It is ideal for stir-fries, marinades, and sauces, offering a luxurious taste to any dish that requires a touch of richness.