LID - Fits both sizes of the World Centric Compostable Fiber To-Go Boxes These lids for the new compostable takeout boxes are made from plant fiber, an eco-friendly alternative to styrofoam. Microwave and freezer safe, they can be used for both hot (up to 200 degrees Fahrenheit) and cold items. Green your restaurant with these biodegradable to-go containers from World Centric. This lid fits both sizes of the Compostable Fiber To-Go Boxes. 100% Compostable, made from plants Soak-proof, microwavable, & freezer safe FDA approved food safe Gluten-Free.