These 9 x 9 x 3.19" Molded Fiber Hinged Lid Containers are made from renewable bagasse (sugarcane) materials and are PLA or corn-based plastic lined. They are a great eco-friendly option. They are disposable to help reduce cleanup time and meet ASTM D6400 and/or D6868 for compostability. All hinged containers have a secure locking mechanism to prevent unfortunate leaks or spills and keep food items fresh and ready to serve. They also have 3 sections that can be used to separate food items such as main dishes, vegetables, and sauces, making them ideal for packaging takeout orders. These containers can be used to serve both hot and cold food items and are microwave and freezer safe for maximum convenience.