The Ultimate Space Saver in the FridgeIdeal for baking casseroles, marinating meat, storing leftovers.Nestable and stackable: save space and organize the fridge.Doubles as a serving piece.Microwave and freezer safe.All FRESH & SAVE pumps and lids are compatible.The Fresh & Save fridge container is designed to work with the vacuum pump to keep food fresh up to five times longer than non-vacuum storage. Made of sturdy borosilicate glass, this long, shallow, rectangular container is ideal for easy storage of casseroles and other baked meal