Case Size: 1/64 oz. Iconic Japanese-style mayonnaise in a 64 fl oz squeeze bottle. Kewpie Mayonnaise is a creamy, umami-rich mayo made with egg yolks and rice vinegar. The 64 fl oz bottle offers precise dispensing for sandwiches, salads, and dressings. Store refrigerated at 34–38 °F and use within 2 months of opening.