When that order is to-go, reach for our universal portion cup lids to top off that sauce or dip. Fits 2-4 oz. Portion Cups. Renewable and compostable, they're BPI certified compostable and ASTM compliant. Made from clear renewable material PLA plastic, plant-based PLA a compostable bioplastic derived from plant sugars. Our Veridian collection is designed to help customers meet new requirements in Washington and Colorado. Effective in 2024, these laws require certain compostable products to be labeled in ways that make them “readily and easily identifiable” as compostable.