Constructed of flexible, hard-to-crack PET material. Made with post consumer recycled drink bottles which helps reduce landfill waste. Leak resistant bases are also stackable for convenient storage and easy transportation. Ideal for applications -20°F to 120°F. For use with EarthCoice™ PET lids. Food Container Type: Base; Material(s): PET; Food Container Material Type: Plastic; Capacity (Volume): 16 oz.