Made with an average of 20% less plastic. Containers easily go from refrigerator to microwave to dishwasher for multi-purpose use. Leak resistant seal helps maintain food quality and helps prevent messy leaks and spills. Stackable lids and bases provide secure nesting and stacking for various merchandise settings and to keep product secure during transportation. Food Container Type: Base/Lid Combo; Material(s): Polypropylene; Food Container Material Type: Plastic; Capacity (Volume): 36 oz.