The Sterilite ultra-seal 8.3-cup container is a food storage container with color-coded bases and lids and is perfect for your favorite foods on the go. Never rummage to find a matching lid again. The lids on the containers are gasket-sealed with 4-latches. The seals are watertight and keep food fresh. A vent in the lid releases steam when placed in the microwave. The bases and lids are freezer, microwave, and dishwasher safe. The containers are also BPA and phthalate free, making them extra safe for your family.