BioSolutions Bioplastic 5-piece Food-Storage Container Set 16oz. made partially from plants BPA Free Bioplastics are types of plastic made totally or partially from renewable materials. The renewable content dramatically reduces the carbon and water footprint of the final product reducing the petroleum-based plastic content. Set Includes five stackable 16-ounce round bioplastic containers and five multicolor polypropylene lids. These food-storage containers are made of a mix of plastic and Agave fibers (Agave plant is the base ingredient of Tequila) replacing up to 30% of plastic content. Material color is medium-brown due to the renewable content in the container. Reusable and 100% recyclable. BPA Free. FDA food content material approved as specified 21CFR FDA 177.1520 Safe to use in refrigerator, freezer, microwave, and dishwasher. Remove lids before using in microwave.