SiliconeZone EZ Seal Clear 3-Piece Silicone Airtight Lids, Green Measure  Set of 3 includes 1 each; Small 6.8, Medium 8.8 and Large 10.9 FDA approved silicone Oven, microwave and freezer safe -58 F to 500 F Excellent for use in microwaves or refrigerators and freezer safe Creates a vacuum tight lid