product description 1.STYLISH DESIGN- This bento box adult lunch box is adopts exquisite handle, easy to carry when you travel or dining out, lunch box for kids can be used as a mobile phone holder, watching drama while eating. 2.PREMIUM MATERIAL : This inner wall of bento boxes for kids lunches is made of food-grade stainless steel , Totally nature and BPA-free, and the exterior of bento lunch box is made of food-grade plastic,safe and secure.Can be reused, simple and easy to cleanMust have products for students and office worker. 3.HIGH-END DESIGH: This silica gel sealed and heated adult lunch box, sealed and anti-leakage, to ensure freshness, the lunch box layers are closely connected, to prevent leakage and peculiar smell for freshness. After a few uses, it will become smooth. 4. HEATING : There are two ways to heat a children's bento box. The first way is to heat the box by pouring hot water into the plastic shell, and the second way is to remove the lid and steel tray. Microwave the food in an external PP plastic container 5. EASY TO CARRY The volume and weight of the lunch box are relatively appropriate, when carrying the box can be opened,easy to use and labor-saving, suitable for children to go to school, women to work, exercise, camping and travel.