Case Size: 1/1 gal. Kewpie Mayonnaise is a rich, creamy mayonnaise made with egg yolks, perfect for sandwiches and salads. Kewpie Mayonnaise (1 gal) offers a velvety, smooth texture and rich flavor, making it perfect for a variety of dishes like sandwiches, salads, and dips. Its distinctive taste is favored in both commercial and home kitchens.