This compostable lid fits 12 to 20 ounce Planet+ cups, model PLC-12, PLC-16, and PLC-20 (Items 6000696, 341919, and 6000697).Model #: PLCLID Redesigned lid with a new revolutionary biopolymer for increased flexibility and strength Fully compostable within 60 to 90 days in commercial composting facilities Meets ASTM D6400 compostable standards & BPI certified Freezer safe 6000698