Made from plant based NatureWorks Ingeo™ PLA compostable plastic. Great for all cold beverages, but can also hold liquids up to 120°F. Freezer safe. 100% compostable in two to four months in a commercial composting facility. Cup Type: Cold; Capacity (Volume): 9 oz; Material(s): PLA Compostable Plastic Derived from Plants; Color(s): Clear.