LOHOME Fresh Food Cover, Reusable Clear Airtight Expandable to Fit Various Sizes and Shapes Food Grade Silicone Stretch Lids Set of 6 (Royal Bule) Great for keeping food and drinks fresh, dishwasher and freezer safe. Size: Diam: 2.6, 3.7, 4.5, 5.7, 6.5, 8.3 inch. Expandable to fit various sizes and shapes of containers. Stretches up to 30% bigger to fit most shapes and form an air tight seal, keeping it fresher for longer! FDA approved food grade silicone: keep your food fresh with an air tight and spill resistant seal without worrying about any harm to your health. The new way to preserve food replacing the need for cling wrap and a must for every Kitchen!