High Quality Lunch Box: The lunch boxes are made of food-grade odorless material, BPA-free, non-toxic and environmentally friendly. And they are heat-resistant and can be heated in the microwave, suitable for daily use. (Please remove the top cover and inner cover before heating)Upgraded Lunch Box: Our lunch box adopts a 2-layer design, which can be used to make different foods separately to keep fresh and nutritious.Environmentally Friendly Lunch Box: You can use one or two layers of lunch boxes with lids comfortably, and the elastic band design in the middle can be safely separated and carried. They are convenient food containers for school, work, picnics, parties and home use.Perfect Food Container Set: The children's double-layer food box measures 18.5 * 10.5 * 9.2 cm, suitable for adults and school students. There is a set of tableware in the package, all of which can be easily cleaned and are also dishwasher-safe.