These TRUE Clear Restaurant Food Prep Storage Containers are perfect for keeping your food fresh and organized. With a square shape and a capacity of 1.62 gt, these containers come in a set of 4 and are made of polycarbonate material. They are suitable for commercial use in restaurants and food service businesses. The model number is EN 631-1 and they are NSF certified. The bundle description is a set of 4. The containers are in great (used once) condition. They are manufactured in the United States and are not modified.