OXO 11174900 Good Grips 9.6 Cup Smart Seal Leakproof Food Storage Container, Clear Containers are nestable and stackable for convenient compact storage Lid features four locking tabs for a leak-proof seal to keep food fresh and liquids contained Lids are interchangeable between Smart Seal Containers and Smart Seal Glass Containers of the same size Lid has a recess for stacking in the refrigerator and freezer Lid and body is microwave, freezer and dishwasher safe and BPA free The OXO Better Guarantee: If you experience an issue with your OXO product, get in touch with us to repair or replace it. Were grateful for the opportunity to learn from your experience, and well make it better.