These NATUREStar lids are designed specifically for use with the brand's kraft paper soup cups and bowls. Made from brown kraft paper with a PLA corn starch coating, they provide a secure fit for containers with a 9.7 cm diameter while remaining 100% compostable and recyclable under the EN13432 certification. A small vent hole is integrated into the design to allow steam to escape safely, which helps maintain the desired texture of hot foods during transport. This pack contains 25 pieces, making it a practical choice for those seeking an environmentally friendly way to seal take-away meals.