Treated, heavy-duty, multi-pleated paper cups hold up well against liquids. Rolled-wax rim maintains shape and tightness even when wet. Perfect for small servings of sauces and dressings-on premise. ProPlanet™ Seal—This product earns Dart's ProPlanet™ Seal because it meets ASTM requirements for commercial compostability. Cup Type: Portion Cup; Interior Volume Capacity: 3.5 oz; Material(s): Treated Paper; Material Type: Paper.