Titan 16 Piece Food Storage Box Set Includes Square 1 x 2.7 cup + 1 x 6.0 cup; Round 1 x 1.3 cup + 1 x 4.4 cup; Rectangle 1 x 0.8 cup + 1 x 2.5 cup + 1 x 6.0 cup + 1 x 11.0 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