How about plastic disposable fast food boxes？

Plastic disposable fast food boxes mainly include PP polypropylene and PS polystyrene, both of which are non-toxic and tasteless.

The PP material is relatively soft. Generally, the temperature used by PP is -6 degrees + 120 degrees, so it is especially suitable for hot meals and hot dishes, and can be heated in a microwave oven or even cooked in a steam cabinet. The use temperature of modified PP can be controlled at -18 degrees + 110 degrees. In addition to being heated to 100 degrees, the disposable fast food box made of this PP can also be put into the refrigerator for use.

PS foam lunch box is directly made of PS material, adding butane and other additives, etc., and is made by extrusion and foaming. The production process is all physical mixing process, no chemical reaction, and the pollution to the environment is much smaller. Compared with various "environmentally friendly lunch boxes", the disposable PS foam fast food lunch box has the highest cost performance.