Our PLA-lined hot cup is fully compostable in a commercial compost facility, where it is designed to quickly disintegrate and fully biodegrade. Cup is lined with PLA (poly lactic acid) a plant-based resin which acts as a moisture barrier to prevent leaking replacing the petroleum-based lining typically found in paper hot cups. Made from 100% plant-based renewable resources and made with SFI® certified paperboard. Meets the ASTM D6868 standard and certified by the Biodegradable Products Institute (BPI) as compostable in a commercial composting facility. USDA BioPreferred®. One lid fits the 4 most popular cup sizes for operational efficiency. Rolled rim gives rigidity to the cup and ensures secure leak-resistant lid fit.