Glass Food Storage Containers: These glass food storage containers are perfect for keeping your leftovers fresh. The set includes three containers of different sizes, each with a matching BPA-free plastic lid. The containers are made of high-quality borosilicate glass, which is resistant to thermal shock and can be used in the oven, microwave, and freezer. The packaging features a clear plastic container with a label that includes a picture of the containers and information about their capacity.