Clear PLA Sauce Cup Lids To use Clear PLA sauce cup lids, simply place the lid on top of the sauce cup, making sure it fits securely. These lids are typically designed to fit standard size sauce cups and are made from PLA, a biodegradable and compostable material. They can be used to keep sauces and condiments fresh and prevent spills during transport. After use, dispose of them in a compostable waste bin to reduce environmental impact. https://www.shenglinpla.com/product/compostable-lids/