Vintage IHOP Oneida Coffee Mugs from the 1990s feature a round shape with a capacity of 8 oz. These porcelain mugs are decorated with a design of IHOP Restaurants logo in white and blue colors. They are microwave and dishwasher safe, making them perfect for hot or cold beverages. Each mug measures 3.75 inches in height and 4 inches in width, with a handle for easy gripping.