OXO Good Grips TOP Containers provide airtight, watertight, leakproof food storage in the refrigerator and freezer. The container has a unique lid that seals securely with one simple motion; just lift up the white frame to open the lid, and push down to close. The secure seal keeps leftovers and other foods fresh and prevents liquids from leaking, even during transport. The lid's white frame clearly indicates when the container is sealed and the clear lid makes the contents viewable from every angle. The container stacks efficiently to keep the refrigerator and freezer organized. This large rectangular container is the ideal size for lasagna, brownies, and other baked goods. The lid comes apart for thorough cleaning. Refrigerator, freezer, and microwave safe.