【Product Description】 A dream collaboration between Sanrio and Fujiko F. Fujio! Introducing the "Doraemon x Hello Kitty" design thermal lunch jar! With a double-walled vacuum structure for excellent heat and cold retention, this is a convenient item perfect for bento boxes and soup lunches. Not only is it cute, but it's also highly practical! It will warm up your lunch on busy days and bring a smile to your face. Product Features (Functions) Ample capacity: 540ml (Inner container 220ml / Main body 320ml) Two-tiered structure to separate rice and ingredients Inner container is microwave-safe (remove the lid) Leak-proof with a gasket! Lid design is easy to open with a finger grip Suitable for noodles, rice bowls, soups, and salads 【Recommended Uses】 ・Rice bowl lunch (rice + hamburger steak or teriyaki) ・Hearty soup + multigrain rice ・Also great for noodles like cold ramen and salad pasta! Product Details Product Name: Cafe Don Thermal Lunch Jar Capacity: Total capacity 540ml (Inner container 220ml / Main body 320ml) Size: Approximately 115mm diameter x 140mm height Heat Retention: 52°C or higher for 6 hours Materials: Body: Stainless steel (acrylic resin coating) Lid, inner container, inner lid: Polypropylene Gasket: Silicone resin Bottom plate: Elastomer resin Microwave: Inner container only! Dishwasher: Not compatible!