World Centric 8" x 8" x 3" fiber clamshells with 3 compartments are made from bamboo and unbleached plant fiber, not paper. These takeout containers are compostable, durable, grease and moisture resistant, freezer safe, and have no wax or plastic lining. Great for takeout restaurants, cafes, and food trucks. They are certified compostable in a commercial facility, which may not exist in your area.