Helps heat, store and serve food Keeps food fresh for long duration Transparent glass makes it easy to identify food Dishwasher, refrigerator, freezer, microwave-safe (plastic lid is not microwave-safe) Airtight and watertight; open and close snap-lock lid with integrated silicone seal is leak-proof Made from shatter-resistant tempered glass Graduated sizes are stackable and fit inside each other to reduce storage space and/or organize the fridge