This lunch box is made of healthy and safe material: Food Class PP and wheat straw fiber, which make them BPA-free and eco-friendly. Three-layer Lunch box, Can storage different food, soup, fruit, tablewares and avoid tainting between food.Meet the capacity requirements of daily,Can microwave heating.According to your like can split and combination the layers.Suitable for children kids to school, picnic, camping, office and so on.Custom logo is available.Pls call us for more info!