Premium Material – Interior made from high quality food-grade stainless steel SS304

Sane Insane Lunch Boxes with Larger capacity to contain more food and snacks, suitable for both kids and adults. It is compact enough to fit inside your bag, easy to open and close with less effort and easy to clean. Suitable for kids to school, adults to work, exercise, camping and travel. Upgraded with practical compartments, perfectly for a kid even adults’ appetite to encourage a healthy and balanced meal. Independent practical compartments can store more delicious nutrient food. Lunch boxes are durable with durable PP plastic and 304 stainless steel material, escorting for your healthy diet continuously. Product Specifications:  Material: safe food grade plastic + 304 stainless steel.  Made of food grade plastic+304 stainless steel, safe and healthy.  Dishwasher & freezer safe.