Heat Distribution: Its design and materials help retain and distribute heat evenly, ensuring the beans are perfectly cooked for "tamis". Quality Preservation: The jar keeps the beans fresh and hot for as long as possible, which is essential when serving breakfast. Material: Made of high-quality aluminum, chrome, or coated copper. Design: It features a round shape and a wide base with a narrow top opening, often coming with side handles for easy carrying and a long spoon (as shown in the picture) for stirring and serving.