From OXO, this 3-Piece container set features: Stackable and space-efficient, POP Containers are designed for modular use to organize in any number of height combinations to fit counter top and pantry. Push-button mechanisms creates an airtight seal with just one touch. Keeps your dry food fresh and your home organized. Corners are shaped for pouring. Lids come apart for cleaning. BPA Free Three 1.1 qt / 1 L Imported. Intended for dry food storage. Not recommended for microwave or dishwasher. Refrigerator and freezer safe; however, the lid may lift due to temperature fluctuations and changes in air pressure.