Safe and safe to use: Stainless steel lunch box It is made of food grade materials and high quality stainless steel. Non-toxic, health and safety.It is high temperature resistant, anti-corrosion, safe and reliable. Beautiful:Strong lunch box button,Arched handle, Stainless steel lunch box more comfortable to wear.Seal ring of the box design let has a good tightness. Easy to clean: Thermal Lunch Box Can be cleaned easily, practical, low maintenance and environmentally friendly. Keep warm for a long time: Thermal Lunch Box, Bento Lunch Box can keep the food warm about 1 hour (but varies depending on your local station, the weather and temperature, the exact time cannot reach this keep the heating time) Humanized design: Air hole design allows you to open the box much easier.Also protect the food inside.