5.5' - Cloudbuster (TM) Balloon Kit. Durable outdoor balloons are manufactured to professional standards. The raw materials used in producing these balloons help retard the sun's ultraviolet rays, while the slender neck makes inflation easy. Average Flying Time with helium: 8 days. Kit Includes a 100' pennant line, 150-ft. spool of heavy nylon tether line. Blank product.