PLA disposable lunch box, we have one ,three, four, five compartment food container. It is made of biological material polylactic acid. Min-20°C, Max+85°C, can be Microwave for two minutes and Frozen Safe. In the process of use and biodegradable, does not produce toxic or harmful substances, as well as certain bacteria resistance flame retardant and ultraviolet resistance, healthy environmental protection safety. 100% biodegradable and compostable. Shelf life is 12 months. Widely used in various  take-away food scenes and etc.