This major League Baseball bouquet includes all the balloons you need to create the perfect MLB Baseball themed balloon bouquet! the bouquet includes multiple shaped Anagram MLB Baseball-themed foil Mylar balloons great for an individual or for decorating your MLB Baseball party. Balloons include a Self-Sealing valve, preventing the gas from escaping after they are inflated. Balloons arrive uninflated. Major League Baseball bouquet foil Mylar balloon by Anagram.