Compostable Paper/PLA Cup 12oz White 1000/Carton Choose sturdy choose smart. Hot-drink paper cups feature a PLA corn-based plastic lining rather than petrochemicals. They are biodegradable and compostable in a commercial facility in about 90 - 180 days. Designed to keep beverages at serving temperature and minimize spills. Cup Type: Hot; Capacity (Volume): 12 oz; Material(s): Paper/PLA; Color(s): White.