Seals securely for leakproof salad stashing and storage Watertight lid with a clear window, silicone gasket, and two locking clips Included compartment tray keeps wet and dry ingredients separate to prevent sogginess A sleek and reusable alternative to single-use storage containers Can be used in the microwave for porridge and mix-ins etc For a secure seal, press firmly in the middle of the lid, then engage the latches; you'll hear air being released as you press the lid down To replace the gasket, press the four corners down, then press the rest of the gasket into place, ensuring the gasket is pressed down fully and evenly The OXO Better Guarantee: If you experience an issue with your OXO product, get in touch with us for a repair or replacement. We’re grateful for the opportunity to learn from your experience, and we’ll make it better.