The Solo Cup is a brand of disposable plastic cups commonly used for parties, picnics, and other casual gatherings. Known for its iconic red color, the cup is designed to hold beverages like soda, beer, and water. It is lightweight, durable, and often used for both hot and cold drinks. Originally introduced in the 1970s, the Solo Cup has become a staple in American culture, often associated with celebrations and outdoor events. The cup is also popular for its convenience, as it eliminates the need for washing dishes after use, making cleanup easier for hosts and guests alike.