Made from unbleached, chlorine free, pesticide free, dye free, natural discarded wheat stalk and bagasse (sugarcane fiber);Microwave safe and is liquid/oil resistant. Can be used for both hot and cold foods;Contains no plastic or wax lining. Strong and sturdy, durable, cut resistant construction;Tree-free, environmentally beneficial, compostable in any industrial composting facilities;Material is gluten free - made from the plant stalk not grains, which store the proteins and allergens