Celebrate your special occasion or event with these dazzling jumbo number foil balloons. These vibrant, eye-catching Mylar balloons instantly make a party come to life. Featured in a convenient, 1 ct. package, these foil balloons will stay inflated (with helium) for up to 1 week. Mix and match with latex and foil balloons to create fun, festive balloon bouquets as easy party decorations that make a major impact. Tether your helium-filled balloons with balloon weights to make sure your balloons don't float away.