BETALLIC BALLOON Orange Holographic Star Shaped Mylar Balloon This Orange Holographic Star Shaped Mylar Balloon has a dramatic sparkling holographic design on both sides Each Orange Holographic Star Balloon is made of foil and measures 21" in diameter Add latex balloons, curling ribbon and a balloon weight to create a brilliant balloon centerpiece or simply tie these Orange Holographic Star Shaped Mylar Balloons to the backs of chairs Mylar Balloon features: Mylar balloons are helium quality and shipped flat without helium Mylar balloons are easily inflated and are self-sealing