The Starbucks Iridescent Oil Slick Cold Cup is a 24oz plastic cup featuring a multicolor design that gives it an iridescent appearance. This venti size cup comes with a cup lid and straw, making it perfect for on-the-go beverages. The unique oil slick design adds a fun and stylish touch to your drinkware collection, while the durable plastic material ensures easy maintenance. Perfect for enjoying your favorite cold drinks wherever you are.