Our compostable fiber burger boxes are made from bamboo and unbleached plant fiber. The box is compostable, freezer safe, soak-proof, and has no wax or plastic lining. These takeout burger boxes will compost in 2 to 4 months in a commercial composting facility and are perfect for chicken sandwiches and sloppy joes as well. Have the confidence that your customer’s first impression is a great one with this eco-friendly option.