The Starbucks Oil Slick Rainbow Iridescent Studded Cold Cup Tumbler is a 16 oz beverage container that features a vibrant multicolor design. Created in 2023, this tumbler is themed around coffee and tea, making it a stylish and functional choice for enjoying your favorite hot or cold drinks on the go. With the iconic Starbucks brand name, this tumbler is sure to add a touch of personality to your daily coffee or tea routine.