Two layers design, stainless steel tray can be seperated and reheated in microwave, or you can put hot water into the plastic bottom box to keep your foods warm. Food grade PP plastic bottom case, free of chemicals, BPA-free, no odor absorption or taste retention, can be reused and recycled to reduce waste. Silicone sealing ring, you can carry the lunch box freely without worrying about the leaking. Whether youre riding or taking the bus, its totally safe. Four food compartments are great for portion control and offering a balance of healthy foods. Great for camping, picnics, school, indoor or outdoor use. Made of 304 stainless steel which is resistant to rust and corrosion, extremely durable, provide long-term use. Spec: Material: Stainless Steel + PP Color: Red Size : 27*20*6cm\/10.6*7.9*2.4inch Package List: 1* Lunch Box 1* Chopstick 1* Spoon