Mushrooms may only make you think of silly-looking foods. These unique fungi have many other uses, including a material for biodegradable packaging. It’s an important component in a prime position to help create a circular market worldwide.You can slowly grow mycelium and break it down so it won’t build up in landfills like polystyrene, Styrofoam, and other materials used for packaging purposes. There already are a number of companies that work with mushroom containers.