Royal 8/12oz Kraft Vented Paper Food Container Lids, Package of 25 DURABLE: These lids are durable and heavyweight. Each lid has two venting holes. The holes allow steam to vent from the container without building pressure. This helps keep the lid securely in place. PAPER BOARD CONSTRUCTION: These lids are made from paper board with a PE coating. They are leak and grease resistant. USE WITH PAPER FOOD CONTAINERS! These lids fit perfectly with matching food containers. Containers are sold separately. A great addition to any deli, restaurant, food truck, or grocery store. SIZING: The diameter of this lid is 3.54" (90 mm). It is meant for the matching 8 and 12 oz paper food containers. TAKE-OUT SOUP, CURRIES, CHILI, AND MORE! These lids are perfect for food services that offer take-out or delivery orders. They fit securely, and will not leak. They are great for liquid or wet items such as soups, chilies, curries, stews, chowders, and more.