The CCF paper soup cups are made with high-quality American paper and food grade, no smell, no leak. The cups are made with a double PE coating recyclable board. It can be used for both hot and cold food, generally for quick-serve restaurant and to-go purposes only. It should not be used for cooking and should not be stored in the freezer. It can only be refrigerated or be used to reheat. Safe heat resistance of the PE coating is about 200 degrees Fahrenheit. It can be used for both hot and cold food, great for use with hot food items such as