Made from unbleached plant fiber..Great for restaurants, delis, grocery stores and schools..For use with hot or cold food items..Soak proof, freezer safe, and contain no wax or plastic lining..Made from unbleached plant fiber. Soak proof, freezer safe, and contain no wax or plastic lining. For use with hot or cold food items. Great for restaurants, delis, grocery stores and schools. Gluten free.