High-quality and environmentally friendly food-grade PP material, no BPA, no peculiar smell, can be used with confidence. The lunch box is a double-layer structure, each layer has an independent cover, and there is a ventilation valve on the cover, which has good sealing performance, and the soup will not spill out. It can also be used independently in a single layer. One of the layers is equipped with a removable partition, so that there will be no smell between objects. Comes with a three-piece cutlery set - knife, fork and spoon, which is very convenient to carry. Temperature resistance range (-20℃-120℃).Accessory structure: Double-layer structure, each layer is equipped with a cover, and there is a black strap to fix it. Comes with a three-piece cutlery set.