Reusable Silicone Stretch Lid Covers, Set of 8 Set of 8, diameters: 3, 4, 5, 6, 7, 8, 9, 11 Freezer-safe up to -40F (-17.2C) Made from food-grade silicone Oven and Microwave-safe up to 428F (220C) Stretchable