In the Breeze Rainbow Poly 10-Panel Hot Air Balloon In The Breeze Item #1080 - Rainbow Poly 10-Panel Hot Air Balloon Wind Spinners are made with bright rainbow colored polypropylene panels that are stain, UV and weather resistant. The size is 12 inches wide by 18 inches high. The poly panels are supported with fiberglass. This helps maintains the balloon shape. The balloon features a hub and axle system that allows for smooth revolutions and impressive durability. The top plastic hub and bottom plastic basket rotate around a fiberglass axle. Hot air balloons ship flat and are easy to assemble. Just insert the 10 fiberglass rods into the top hub and the bottom basket. A heavy duty string and ring is attached for hanging. Hot air balloon spinners have great visual appeal as they rotate in the wind. Enjoy color in motion.