True Seal 1-Cup Round Storage Container Mineral Blue

TrueSeal Food Storage containers feature compression lids for airtight freshness, spill proof storage and a food-preserving vacuum seal. To use, simply press down on the clear center of the lid to push out the air. You'll hear the release of air that indicates you've created an airtight and spill-proof seal!

• Made from tempered glass
• Glass base is microwave-, oven-, freezer- and dishwasher-safe
• Lid may not be used in the oven or microwave