Frigidaire 14 Piece Box Set Includes Rectangle 1 x 4.4 cup plus 2 x 2.7 cup plus 1 x 1.6 cup Square 2 x 3.4 cup plus 1 x 1.5 cup BPA free airtight container with a unique locking method for total freshness Safe for reheating, freezing and dishwashing Durable 4-latch system with silicone gasket creates airtight seal that won't leak Crystal clear and impact resistant, it stands up beautifully to daily use