Our container is made from 100 percent sustainable and renewable wheat stalk fiber and bagasse (sugarcane fiber). Material is gluten free, made from the plant stalk not grains. They are an environmentally beneficial alternative to plastic or Styrofoam, which contains non-biodegradable and petroleum derived materials or paper, which requires cutting down trees. They are compostable in either an industrial composting facility (1-6 months) or a home compost (up to 12 months). They are built sturdy, from 100 percent environmentally beneficial natural, renewable plant fibers. Microwave safe and oil/liquid and cut resistant. These are perfect for food service industry - restaurants for take out or To-Go orders and fast food places (perfect as a burger box), as well as institutional cafeterias, schools, universities, hospitals and government facility lunch rooms.