Seals securely for leakproof leftover storage and meal prep Watertight lid with a clear window, silicone gasket, and two locking clips Holds up to 780 mL of food A sleek and reusable alternative to single-use storage containers Stay-cool handles allow for easy microwaving 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.