Made from renewable starch materials, Renew-a-Pak trays and pans from Biosphere Industries and Sealed Air enable producers to bake, ship, and serve in environmentally responsible manner without changing existing recipes or daily operations. Products meet bakery performance requirements, including being dual ovenable, fully microwavable, and able to maintain structural rigidity in freezing temperatures, as well as those up to 420ºF. They biodegrade in 40 days outdoors and have indoor shelf life of many years.