Solo Cups are disposable plastic cups commonly used for parties, picnics, and other casual gatherings. They are known for their distinctive red color, although they come in various colors and sizes. Made from polystyrene, these cups are lightweight and designed to hold both hot and cold beverages. These cups are often associated with social events, particularly in the context of drinking games like beer pong. Their design features a rolled rim for easy sipping and a sturdy base to prevent tipping. Solo Cups are popular for their convenience and ease of use, making cleanup after events much simpler.