Maintains warmth with a vacuum-insulated double-wall structure. Enjoy rice and noodles in a donburi style. You can put your side dishes on top of the rice before eating, expanding the enjoyment of your lunch. The inner container can be microwaved with the lid removed. You can enjoy warm rice at lunchtime. The vacuum-insulated double-wall case provides excellent heat retention. The lid of the insulated case has a foldable handle, making it convenient to carry. The included foldable dedicated spoon can be stored compactly on the back of the lid. Rice container holds approximately 1.9 bowls of rice (approx. 200ml per bowl) Product Size: (approx.) Outer diameter 12.5 x height 13.5cm (excluding handle) Product Weight: (approx.) 0.6kg Product Name: Stainless steel thermos (lunch jar) Actual Capacity: Rice container / 0.38L, Side dish container / 0.22L Heat Retention: 44 degrees Celsius or higher (6 hours) Materials: Insulated case (inner bottle) / 18-8 stainless steel, Insulated case (body) / Stainless steel (acrylic resin coating), Insulated case (lid) / Polypropylene (heat resistance 100 degrees Celsius, cold resistance -20 degrees Celsius), Rice container / Polypropylene (heat resistance 140 degrees Celsius, cold resistance -20 degrees Celsius), Side dish container (body) / Polypropylene (heat resistance 140 degrees Celsius, cold resistance -20 degrees Celsius), Side dish container (bottom cap) / Polypropylene (styrofoam inside) (heat resistance 80 degrees Celsius, cold resistance -20 degrees Celsius), Side dish container (lid) / Silicone rubber (heat resistance 180 degrees Celsius, cold resistance -20 degrees Celsius), Spoon (resin part) / Polypropylene (heat resistance 100 degrees Celsius, cold resistance -20 degrees Celsius), Spoon (metal part) / Stainless steel