Responsible Products bowls are eco-friendly, made from bamboo and sugarcane fiber. Ideal for hot or cold food, these bowls are durable, microwave safe, freezer safe, and have no wax or plastic lining. They are the most sustainable choice for serving breakfast, lunch, or dinner at special events, catered events, takeout restaurants, cafeterias, and cafes. Meets ASTM Standards for compostability. Commercially compostable only. Facilities may not exist in your area. Check with local officials.