These 2 oz. Portion Cups are made with PLA, or corn-based plastic. Durable, they are ideal for use with cold foods or liquids and are freezer safe for maximum convenience. Clear in Color, they allow for the easy identification of contents and are disposable to help cut down on cleanup time. These quality cups are guaranteed to bring some class to any cold dish or refreshing beverage. Specifications: Material: Compostable PLA Color: Clear Food Handling: Cold Foods or Liquids Microwave Safe: No Freezer Safe: Yes Ecological: Disposable, Compostable Certifications: ASTM Certified