Cruise by with this flamedecked Rock N Roll 50's ride Mylar balloon is a fun way to say your care. Supershape Mylar balloons are such a fun and unique way to liven up a party. Our Mylar balloons come uninflated. You can take them to any party store and have them inflated with helium. All our Mylars vary in size and go great with any of our latex line. 13'' x 35''