6x6x3" Fiber Burger Box - Case of 500
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. *The tear drop shaped protuberances on the exterior of the clamshell containers are a trademark of World Centric.® They are certified compostable in a commercial facility, which may not exist in your area.