Stackable and nesting design3 capacities: 330ml, 800ml and 1730mlRectangle shapeClip lock non-spill lidHermetic seal keeps food fresherSpace efficientBPA freeCan be used in the oven (without the lid), microwave, fridge, freezer and dishwasher These glass storage boxes are perfect for keeping your snacks and foods fresher for longer. When they aren't being used, you can pop them inside each other to maximise your cupboard space.