Are you ready for some rockin' cups? These guitar-shaped cups have straws for easy usage and minimal spills, making them the perfect plastic drinkware for kids at a party or some other gathering with a musical theme. Help budding musicians stay hydrated so they have the energy to rock out with these fun guitar cups. Plastic. 2" x 3" x 5 1/2" 14 oz. with a 7 1/2" flexible straw.