Each fabulous plastic Disco Ball Cup comes with its own 9" plastic straw.  Easily fill with your magical brew for a fabulous signature drink.  Each 18 oz. Silver Disco Ball  Cup is 3 3/4" in diameter with a 9" plastic straw and is sold by the set.  Hand wash to reuse. Packed in a polybag. Sold by the individual cup and straw. Please order in increments of 1 cup.