World Centric 6×6 Fiber Compostable Clamshell

World Centric 6x6x3″ fiber burger boxes are made from bamboo and 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.