Responsible Products portion cups are eco-friendly, made from renewable bamboo and sugarcane fiber, and BPI-Certified Compostable (No PFAS Added). Ideal for hot or cold food, these portion cups are durable, moisture resistant, microwave safe, freezer safe, and have no wax or plastic lining. Our portion cups are the most sustainable choice for serving breakfast, lunch, or dinner at special events, catered events, takeout restaurants, cafeterias, and cafes. KEY ADVANTAGES: Microwave-Safe, Freezer-Safe, Extra Strength Made from Renewable Plant Fibers (Bamboo and Sugarcane) Non-GMO, BPA-Free, Gluten-Free Meets ASTM Standards for Compostability. Commercially compostable only.