Portable design, our lunch box is perfect for people who go to work or school, you can heat your meal at school, office or travel. The size is moderate, it will not increase the burden when you walk, can hold enough food for one person to eat, convenient and practical, but not for car-use. It's easy to operate, just add some water to the bottom of the lunch box, packed food, then close the upper cover, no need to cover the bowl lid, please make sure that the upper cover is closed and the sides are buckled, then press the button on the lunch box, wait a while, then you can enjoy delicious food. The exquisite and beautiful shell is made of food grade PP, environmentally friendly and non-toxic. The inner bowl and plate are made of food grade stainless steel. It is wear-resistant and durable, does not rust, and is resistant to high temperature.No need to worry about the contact between the food and the dish to produce substances harmful to the body. Easy to clean: stainless steel bowl and plate make the oil not easy to get on the container, rinse with water, then dry the stainless steel container, then you can continue to use it next time.