Air-tight & Leak-proof: Our air tight, liquid and aroma safe lid makes our food containers safe to store or travel without worrying for leaks and spills Assorted Sizes: 1x575ml | 1x1050ml | 1x1850ml | 1x3100ml Fridge, Freezer, Microwave (excluding lid) and Dishwasher Safe asy Storage: Empty food containers can be stacked inside one another to save space in your cabinets Similarly, can be stacked on top of one another to save space in fridge and freezer