World Centric庐 compostable clear hinged containers are made from PLA, a bio-based plastic made from plant sugars. Great for takeout restaurants, cafes and grocery stores, these takeout containers are lightweight and freezer safe. PLA products are suitable for cold to warm foods, and should be stored in a cool place below 110掳F and out of direct sunlight. Freezer safe. Not microwavable. As a certified B Corporation, World Centric庐 is dedicated to upholding the highest standards of social and environmental responsibility, transparency, and accountability. We proudly give 25% of our profits to grassroots organizations driving global change. Choose World Centric庐 compostable foodservice products and make a difference today! Food Container Type: Hinged Lid Container; Material(s): PLA; Material Type: Plastic; Interior Volume Capacity: 46 oz.