World Centric® 6x6x3" fiber burger boxes are made from unbleached plant fiber. These fiber clamshells are great for hamburgers or veggie burgers. These containers are compostable, eco-friendly, freezer safe, soak proof, and contain no wax or plastic lining. Composts in 2 to 4 months in a commercial composting facility. *The tear drop shaped protuberances on the exterior of the clamshell containers are a trademark of World Centric.®
