This set will provide the ultimate versatility and is ideal for keeping leftovers, grabbing quick meals on the go, or meal prepping for the whole family. Simply press down on the button of the flexible lids to remove excess air from the containers and make a secure seal. Made of durable BPA Free plastic, this set is microwave and dishwasher safe (top rack only). 20 Piece Set includes: (4) 1/2 cup squares with lids, (3) 3 cup squares with lids, (2) 4 cup rectangle with lids, and (1) 5 cup square with lidClassic styles with floral designsGreat fo