• Star balloons metallic Reliable Material Party essential decorations Suitable for all needs balloons Automatic sealing About this item Star balloons metallic: 20 pieces 18 inch blue and gold star mylar balloons, each color 10pcs. To float the balloon, please inflate it with helium. Reliable Material: The balloon is made of high-quality aluminum foil, which is not easy to burst and can be reused. Party essential decorations:Our star mylar balloons set great for Birthday, Anniversary, Retirement, Graduation, New Years Eve Party Decoration Suitable for all needs balloons place.Wedding,engagement party,celebration, holiday, birthday,show, party activities, or other fun event Automatic sealing:After the balloon is inflated, the mouth is pinched, and the adhesive mouth of the balloon is automatically sealed